UPDATE: 2009 H1N1 Flu International Situation Update This report provides an update to the international flu situation using data collected through August 1, 2010, and reported by the World Health Organization (WHO) on August 6.
UPDATE: 2009 H1N1 Flu International Situation Update This report provides an update to the international flu situation using data collected through July 25, 2010, and reported by the World Health Organization (WHO) on July 30.
UPDATE: 2009 H1N1 Flu International Situation Update This report provides an update to the international flu situation using data collected through July 18, 2010, and reported by the World Health Organization (WHO) on July 23.
UPDATE: 2009 H1N1 Flu International Situation Update This report provides an update to the international flu situation using data collected through June 27, 2010, and reported by the World Health Organization (WHO) on July 2.
UPDATE: 2009 H1N1 Flu International Situation Update This report provides an update to the international flu situation using data collected through June 20, 2010, and reported by the World Health Organization (WHO) on June 25.
NEW: Questions and Answers about Updating Guidance on Infection Control Measures for Influenza in Healthcare Settings Proposed updated guidance for seasonal influenza and the Interim Guidance on Infection Control Measures for 2009 H1N1 Influenza in Healthcare Settings, Including Protection of Healthcare Personnel has been published in the Federal Register, along with a Request for Comments. The comment period began on June 22, and will end on July 22. All comments received during the comment period will be considered, following which final guidance will posted on the CDC web site.
UPDATE: 2009 H1N1 Flu International Situation Update This report provides an update to the international situation as of May 28, 2010. The World Health Organization (WHO) continues to report updated 2009 H1N1 flu-associated laboratory-confirmed cases and deaths on its Web page.
UPDATE: Weekly FluView Map and Surveillance Report for Week Ending May 22, 2010 This is the final report of the 2009-2010 season. During week 20 ( May 16-22, 2010), influenza activity decreased in the U.S. Two (0.2%) specimens tested by U.S. World Health Organization (WHO) and National Respiratory and Enteric Virus Surveillance System (NREVSS) collaborating laboratories and reported to CDC/Influenza Division were positive for influenza.
UPDATE: 2009 H1N1 Flu International Situation Update This report provides an update to the international situation as of May 21, 2010. The World Health Organization (WHO) continues to report updated 2009 H1N1 flu-associated laboratory-confirmed cases and deaths on its Web page.
UPDATE: Weekly FluView Map and Surveillance Report for Week Ending May 15, 2010 During week 19 ( May 9 - 15, 2010), influenza activity decreased in the U.S. 14 (0.9%) specimens tested by U.S. World Health Organization (WHO) and National Respiratory and Enteric Virus Surveillance System (NREVSS) collaborating laboratories and reported to CDC/Influenza Division were positive for influenza.
UPDATE: Weekly FluView Map and Surveillance Report for Week Ending May 8, 2010 During week 18 ( May 2 - 8, 2010), influenza activity decreased in the U.S.26 (1.5%) specimens tested by U.S. World Health Organization (WHO) and National Respiratory and Enteric Virus Surveillance System (NREVSS) collaborating laboratories and reported to CDC/Influenza Division were positive for influenza.
UPDATE: 2009 H1N1 Flu International Situation Update This report provides an update to the international situation as of May 14, 2010. The World Health Organization (WHO) continues to report updated 2009 H1N1 flu-associated laboratory-confirmed cases and deaths on its Web page.
UPDATE: Questions and Answers about Updating Guidance on Infection Control Measures for Influenza in Healthcare Settings CDC is updating the Interim Guidance on Infection Control Measures for 2009 H1N1 Influenza in Healthcare Settings, Including Protection of Healthcare Personnel. Circumstances have changed significantly with respect to availability of a safe and effective vaccine, and in terms of what we know about the health impact of the novel H1N1 influenza strain. The guidance is being updated to reflect newer information.
UPDATE: Weekly FluView Map and Surveillance Report for Week Ending April 24, 2010 During week 16 (April 18-24, 2010), influenza activity decreased in the U.S.16 (1.2%) specimens tested by U.S. World Health Organization (WHO) and National Respiratory and Enteric Virus Surveillance System (NREVSS) collaborating laboratories and reported to CDC/Influenza Division were positive for influenza.
UPDATE: 2009 H1N1 Flu International Situation Update This report provides an update to the international situation as of April 23, 2010. The World Health Organization (WHO) continues to report updated 2009 H1N1 flu-associated laboratory-confirmed cases and deaths on its Web page.
UPDATE: Weekly FluView Map and Surveillance Report for Week Ending April 17, 2010 During week 15 (April 11-17, 2010), influenza activity decreased in the U.S. 37 (2.1%) specimens tested by U.S. World Health Organization (WHO) and National Respiratory and Enteric Virus Surveillance System (NREVSS) collaborating laboratories and reported to CDC/Influenza Division were positive for influenza.
NEW: Question & Answer: 2009 H1N1 and Pregnancy This document provides updated information on pregnancy as a risk factor for serious 2009 H1N1-related complications based on findings from a recent study.
UPDATE: 2009 H1N1 Flu International Situation Update This report provides an update to the international situation as of April 16, 2010. The World Health Organization (WHO) continues to report updated 2009 H1N1 flu-associated laboratory-confirmed cases and deaths on its Web page.
UPDATE: Influenza and Pneumonia-Associated Hospitalizations and Deaths from August 30, 2009 to April 3, 2010 As of April 16, 2010, the Aggregate Hospitalizations and Deaths Reporting Activity (AHDRA) has concluded for the 2009-2010 flu season. The AHDRA surveillance system was created specifically in response to the 2009 H1N1 pandemic, and the system will be maintained for quick implementation in the event of another flu pandemic. CDC will continue to track hospitalizations and deaths through its traditional seasonal flu surveillance systems during the 2010-2011 season. Pneumonia and influenza-related deaths in adults and children will be tracked through the 122 Cities Mortality Reporting System. Laboratory confirmed, flu-related deaths in children will continue to be tracked through the Influenza-associated Pediatric Mortality Surveillance system. Laboratory confirmed, flu-related hospitalizations in adults and children will be tracked through the Emerging Infections Program (EIP).
UPDATE: 2009 H1N1 Flu International Situation Update This report provides an update to the international situation as of April 9, 2010. The World Health Organization (WHO) continues to report updated 2009 H1N1 flu-associated laboratory-confirmed cases and deaths on its Web page.
UPDATE: Weekly FluView Map and Surveillance Report for Week Ending April 3, 2010 During week 13 (March 28-April 3, 2010), influenza activity decreased slightly in the U.S. 105 (3.7%) specimens tested by U.S. World Health Organization (WHO) and National Respiratory and Enteric Virus Surveillance System (NREVSS) collaborating laboratories and reported to CDC/Influenza Division were positive for influenza.
UPDATE: Influenza and Pneumonia-Associated Hospitalizations and Deaths from August 30, 2009 to April 3, 2010 Flu activity in the United States declined slightly from last week and is low nationally; however, some states in the Southeast continue to report regional activity, according to the March 28-April 3, 2010 FluView. Most flu continues to be 2009 H1N1. Flu activity, caused by either 2009 H1N1 or seasonal flu viruses, may rise and fall, but is expected to continue for weeks in the U.S. Internationally, 2009 H1N1 flu is still circulating, including in the Southern Hemisphere, which is about to enter its flu season. For more information, please see the international situation update.
UPDATE: 2009 H1N1 Flu International Situation Update This report provides an update to the international situation as of April 2, 2010. The World Health Organization (WHO) continues to report updated 2009 H1N1 flu-associated laboratory-confirmed cases and deaths on its Web page.
Travel and 2009 H1N1 Vaccine NEW: This page provides information and links for travelers who want to reduce their risk of becoming sick with 2009 H1N1
NEW: Press Briefing Transcript - CDC 2009 H1N1 Flu Media Briefing (Rough Transcript) Transcript for March 29, 2010 telebriefing. Surgeon General Regina M. Benjamin, M.D., M.B.A. Anne Schuchat, M.D., Director, National Center for Immunization and Respiratory Diseases. "We are continuing to see people with serious illness from the pandemic H1N1 virus, especially in some of the southeastern states, and vaccination is the best way to protect yourself and those you love from further illness or death and..."
UPDATE: 2009 H1N1 Flu International Situation Update This report provides an update to the international situation as of March 26, 2010. The World Health Organization (WHO) continues to report updated 2009 H1N1 flu-associated laboratory-confirmed cases and deaths on its Web page.
UPDATE: 2009 H1N1 Flu International Situation Update This report provides an update to the international situation as of March 19, 2010. The World Health Organization (WHO) continues to report updated 2009 H1N1 flu-associated laboratory-confirmed cases and deaths on its Web page.
UPDATE: Weekly FluView Map and Surveillance Report for Week Ending March 13, 2010 During week 10 (March 7-13, 2010), influenza activity remained at approximately the same levels as last week in the U.S. 200 (5.6%) specimens tested by U.S. World Health Organization (WHO) and National Respiratory and Enteric Virus Surveillance System (NREVSS) collaborating laboratories and reported to CDC/Influenza Division were positive for influenza.
UPDATE: Influenza and Pneumonia-Associated Hospitalizations and Deaths from August 30, 2009 to March 13, 2010 FluView reports that for the week of March 7-13, 2010, flu activity in the United States was relatively low, with most flu continuing to be caused by 2009 H1N1. Flu activity, caused by either 2009 H1N1 or seasonal flu viruses, may rise and fall, but is expected to continue for weeks. It’s possible that the United States could experience another wave of flu activity caused by either 2009 H1N1 or seasonal influenza.
UPDATE: 2009 H1N1 Flu International Situation Update This report provides an update to the international situation as of March 12, 2010. The World Health Organization (WHO) continues to report updated 2009 H1N1 flu-associated laboratory-confirmed cases and deaths on its Web page.
UPDATE: Weekly FluView Map and Surveillance Report for Week Ending March 6, 2010 During week 9 (February 28 - March 6, 2010), influenza activity remained at approximately the same levels as last week in the U.S. 174 (5.1%) specimens tested by U.S. World Health Organization (WHO) and National Respiratory and Enteric Virus Surveillance System (NREVSS) collaborating laboratories and reported to CDC/Influenza Division were positive for influenza.
UPDATE: Influenza and Pneumonia-Associated Hospitalizations and Deaths from August 30, 2009 to March 6, 2010 FluView reports that for the week of February 21 - February 27, 2010, flu activity in the United States was relatively low, with most flu continuing to be caused by 2009 H1N1. Flu activity, caused by either 2009 H1N1 or seasonal flu viruses, may rise and fall, but is expected to continue for weeks. It’s possible that the United States could experience another wave of flu activity caused by either 2009 H1N1 or seasonal influenza.
NEW: American College Health Association (ACHA) Influenza Vaccination Letter This is a letter developed jointly by the American College Health Association (ACHA) and CDC intended for distribution to colleges and universities across the country prior to Spring Break. The message to students is: Don't let influenza spoil your plans for Spring Break. Take the opportunity to get vaccinated before leaving for Spring Break and protect yourself, friends and family against 2009 H1N1 flu.
UPDATE: 2009 H1N1 Flu International Situation Update This report provides an update to the international situation as of February 27, 2010. The World Health Organization (WHO) continues to report updated 2009 H1N1 flu-associated laboratory-confirmed cases and deaths on its Web page.
UPDATE: Weekly FluView Map and Surveillance Report for Week Ending February 27, 2010 During week 8 (February 21-27, 2010), influenza activity remained at approximately the same levels as last week in the U.S. 263 (6.4%) specimens tested by U.S. World Health Organization (WHO) and National Respiratory and Enteric Virus Surveillance System (NREVSS) collaborating laboratories and reported to CDC/Influenza Division were positive for influenza.
UPDATE: Influenza and Pneumonia-Associated Hospitalizations and Deaths from August 30, 2009 to February 27, 2010 FluView reports that for the week of February 21 - February 27, 2010, flu activity in the United States was relatively low, with most flu continuing to be caused by 2009 H1N1. Flu activity, caused by either 2009 H1N1 or seasonal flu viruses, may rise and fall, but is expected to continue for weeks. It's possible that the United States could experience another wave of flu activity caused by either 2009 H1N1 or seasonal influenza.
NEW: CDC Estimates Graphics Section Graphical representations of CDC's latest estimates for 2009 H1N1 cases, hospitalizations and deaths in the United States, April 2009 - January 16, 2010.
UPDATE: 2009 H1N1 Flu International Situation Update This report provides an update to the international situation as of February 20, 2010. The World Health Organization (WHO) continues to report updated 2009 H1N1 flu-associated laboratory-confirmed cases and deaths on its Web page.
UPDATE: Weekly FluView Map and Surveillance Report for Week Ending February 20, 2010 During week 7 (February 14-20, 2010), influenza activity remained at approximately the same levels as last week in the U.S. 185 (4.4%) specimens tested by U.S. World Health Organization (WHO) and National Respiratory and Enteric Virus Surveillance System (NREVSS) collaborating laboratories and reported to CDC/Influenza Division were positive for influenza.
UPDATE: Influenza and Pneumonia-Associated Hospitalizations and Deaths from August 30, 2009 to February 20, 2010 FluView reports that for the week of February 14 - February 20, 2010, flu activity in the United States was relatively low, with most flu continuing to be caused by 2009 H1N1. Flu activity, caused by either 2009 H1N1 or seasonal flu viruses, may rise and fall, but is expected to continue for weeks. It's possible that the United States could experience another wave of flu activity caused by either 2009 H1N1 or seasonal influenza.
UPDATE: Weekly FluView Map and Surveillance Report for Week Ending February 13, 2010 During week 6 (February 7-13, 2010), influenza activity remained at approximately the same levels as last week in the U.S. 129 (3.5%) specimens tested by U.S. World Health Organization (WHO) and National Respiratory and Enteric Virus Surveillance System (NREVSS) collaborating laboratories and reported to CDC/Influenza Division were positive for influenza.
UPDATE: Influenza and Pneumonia-Associated Hospitalizations and Deaths from August 30, 2009 to February 13, 2010 FluView reports that for the week of February 7 - February 13, 2010, flu activity in the United States was relatively low, with most flu continuing to be caused by 2009 H1N1. Flu activity, caused by either 2009 H1N1 or seasonal flu viruses, may rise and fall, but is expected to continue for weeks. It's possible that the United States could experience another wave of flu activity, or more likely, localized outbreaks of 2009 H1N1 in communities that have been relatively unaffected by illness thus far, or where 2009 H1N1 vaccination rates may have been lower.
UPDATE: Weekly FluView Map and Surveillance Report for Week Ending February 6, 2010 During week 5 (January 31-February 6, 2010), influenza activity remained at approximately the same levels as last week in the U.S. 206 (4.8%) specimens tested by U.S. World Health Organization (WHO) and National Respiratory and Enteric Virus Surveillance System (NREVSS) collaborating laboratories and reported to CDC/Influenza Division were positive for influenza.
UPDATE: Influenza and Pneumonia-Associated Hospitalizations and Deaths from August 30, 2009 to February 6, 2010 FluView reports that for the week of January 31 - February 6, 2010, flu activity in the United States remained about the same as during the previous week. Flu activity is relatively low at this time, with most flu continuing to be caused by 2009 H1N1. Flu activity, caused by either 2009 H1N1 or seasonal flu viruses, may rise and fall, but it is expected to continue for several more months.
NEW: 2009 H1N1 and Seasonal Influenza and Hispanic Communities: Questions and Answers These questions and answers summarize the current understanding of the impact of 2009 H1N1 and seasonal influenza virus on Hispanics/Latinos, describe some of the barriers to uptake of 2009 H1N1 and seasonal influenza vaccines, and outline potential strategies for improving health and increasing vaccine coverage in Hispanic/Latino communities.
NEW: Abbreviated Pandemic Influenza Plan Template for Primary Care Provider Offices: Guidance from Stakeholders (PDF) The abbreviated Primary Care Office Template was developed by SME's in primary care, public health and emergency management during a stakeholder meeting in August 2009. Utilizing this template, primary care offices will be able to rapidly (within 1-5 days) develop a pandemic influenza plan and be encouraged to become integrated into community planning.
UPDATE: 2009 H1N1 Flu International Situation Update This report provides an update to the international situation as of January 31, 2010. The World Health Organization (WHO) continues to report updated 2009 H1N1 flu-associated laboratory-confirmed cases and deaths on its Web page.
UPDATE: Weekly FluView Map and Surveillance Report for Week Ending January 30, 2010 During week 4 (January 24-30, 2010), influenza activity remained at approximately the same levels as last week in the U.S. 119 (3.2%) specimens tested by U.S. World Health Organization (WHO) and National Respiratory and Enteric Virus Surveillance System (NREVSS) collaborating laboratories and reported to CDC/Influenza Division were positive for influenza.
UPDATE: Influenza and Pneumonia-Associated Hospitalizations and Deaths from August 30, 2009 to January 30, 2010 FluView reports that for the week of January 24-30, 2010, flu activity in the United States remained about the same as during the previous week. Flu activity is relatively low at this time, with most flu continuing to be caused by 2009 H1N1. Flu activity, caused by either 2009 H1N1 or seasonal flu viruses, may rise and fall, but it is expected to continue for several more months.
UPDATE: Key Facts About 2009 H1N1 Flu Vaccine This document includes updated information about late season flu vaccination, including who is recommended, where to find vaccine, and why it should still be taken seriously.
UPDATE: Vaccine against 2009 H1N1 Influenza Virus This document includes updated information about late season flu vaccination, including who is recommended, where to find vaccine, and why it should still be taken seriously.
UPDATE: 2009 H1N1 Flu International Situation Update This report provides an update to the international situation as of January 29, 2010. The World Health Organization (WHO) continues to report updated 2009 H1N1 flu-associated laboratory-confirmed cases and deaths on its Web page.
UPDATE: Weekly FluView Map and Surveillance Report for Week Ending January 16, 2010 During week 2 (January 10-16, 2010), influenza activity decreased slightly in the U.S. 120 (3.7%) specimens tested by U.S. World Health Organization (WHO) and National Respiratory and Enteric Virus Surveillance System (NREVSS) collaborating laboratories and reported to CDC/Influenza Division were positive for influenza.
UPDATE: Open Letter to the American People about the H1N1 Flu Vaccine In an open letter to the American people, several health care provider and public health organizations encouraged Americans to get the H1N1 vaccine. This letter emphasizes that the H1N1 vaccine is safe, effective, and the best way to protect against 2009 H1N1 flu. Originally, 32 organizations signed on to this letter; however, since publication, several groups have joined this effort.
UPDATE: Weekly FluView Map and Surveillance Report for Week Ending January 8, 2010 During week 1 (January 3-9, 2010), influenza activity continued to decrease in the U.S. 139 (3.6%) specimens tested by U.S. World Health Organization (WHO) and National Respiratory and Enteric Virus Surveillance System (NREVSS) collaborating laboratories and reported to CDC/Influenza Division were positive for influenza.
UPDATE: Influenza and Pneumonia-Associated Hospitalizations and Deaths from August 30, 2009 to January 9, 2010 Overall flu activity in the United States decreased during the week of January 3-9, 2010, as reported in FluView. Though flu activity, caused by either 2009 H1N1 or seasonal flu viruses, may rise and fall, it is expected to continue for several more months. Supply and availability of the 2009 H1N1 vaccine have increased dramatically, CDC is now encouraging everyone who has been patiently waiting to receive the 2009 H1N1 vaccine to get vaccinated at this time.
NEW: Q and A: Fraud and Abuse Related to 2009 H1N1 Influenza Vaccine This document provides information to state/local immunization programs regarding options for reporting certain criminal, fraud and abuse matters relating to the 2009 H1N1 influenza vaccine and ancillary supplies.
NEW: Open Letter to the American People about the H1N1 Flu Vaccine In an Open Letter to the American People, over thirty major health care provider and public health organizations encouraged Americans to get the H1N1 vaccine. This letter emphasizes that the H1N1 vaccine is safe, effective, and the best way to protect against the flu.
UPDATE: 2009 H1N1 Flu International Situation Update This report provides an update to the international situation as of January 8, 2010. The World Health Organization (WHO) continues to report updated 2009 H1N1 flu-associated laboratory-confirmed cases and deaths on its Web page.
UPDATE: Weekly FluView Map and Surveillance Report for Week Ending January 2, 2010 During week 52 (December 27, 2009-January 2, 2010), influenza activity decreased slightly in the U.S. 161 (3.9%) specimens tested by U.S. World Health Organization (WHO) and National Respiratory and Enteric Virus Surveillance System (NREVSS) collaborating laboratories and reported to CDC/Influenza Division were positive for influenza.
Vaccination: CDC recommends influenza vaccination as the first and most important step in protecting against the flu. The week of January 10-16, 2010 marks this season’s National Influenza Vaccination Week (NIVW), a national observance to highlight the importance of continuing influenza vaccination beyond the holiday season. Because supplies of the 2009 H1N1 vaccines have increased dramatically, CDC is now encouraging everyone who has been patiently waiting to receive the 2009 H1N1 vaccine to get vaccinated at this time.
NEW: Flu information for People with Diabetes and Caregivers of People with Diabetes People with diabetes are more likely to get flu-related complications like pneumonia and even be hospitalized or die from the flu than other people. Influenza may also interfere with blood glucose management. This fact sheet contains important information for diabetics.
NEW: Fact Sheet: Safety of Thimerosal in Vaccines Against 2009 H1N1 Flu CDC is aware that pregnant women, parents of young children, and others may have questions about the safety of thimerosal in vaccines against 2009 H1N1 flu. The following fact sheet provides some information to help in making decisions.
UPDATE: 2009 H1N1 Flu International Situation Update This report provides an update to the international situation as of January 4, 2010. The World Health Organization (WHO) continues to report updated 2009 H1N1 flu-associated laboratory-confirmed cases and deaths on its Web page.
UPDATE: Weekly FluView Map and Surveillance Report for Week Ending December 26, 2009 During week 51 (December 20-26, 2009), influenza activity decreased slightly in the U.S. 154 (3.9%) specimens tested by U.S. World Health Organization (WHO) and National Respiratory and Enteric Virus Surveillance System (NREVSS) collaborating laboratories and reported to CDC/Influenza Division were positive for influenza.Four states reported geographically widespread influenza activity, 13 states reported regional influenza activity, the District of Columbia, Puerto Rico, and 19 states reported local influenza activity, Guam and 13 states reported sporadic influenza activity, and one state reported no influenza activity, the U.S. Virgin Islands did not report.
UPDATE: Laboratory Confirmed Influenza-Associated Hospitalizations and Deaths from August 30 to December 26, 2009 Overall flu activity decreased slightly in the United States during the week of December 20-26, 2009, as reported in FluView. The number of states reporting widespread flu activity decreased from 7 to 4. to doctors for influenza-like illness increased, although the proportion of tests for influenza that were positive continued to decline and the overall hospitalization rates for this season were unchanged from the previous week. Flu-associated deaths among all ages increased from the previous week, but fewer deaths in children were reported compared to the prior week (4 versus 9). Flu is unpredictable and activity can rise and fall throughout the season, but flu is likely to continue for months, caused by either 2009 H1N1 viruses or regular seasonal flu viruses.
UPDATE: Weekly FluView Map and Surveillance Report for Week Ending December 19, 2009 During week 50 (December 13-19, 2009), influenza activity continued to decrease in the U.S. 306 (6.9%) specimens tested by U.S. World Health Organization (WHO) and National Respiratory and Enteric Virus Surveillance System (NREVSS) collaborating laboratories and reported to CDC/Influenza Division were positive for influenza.
UPDATE: Laboratory Confirmed Influenza-Associated Hospitalizationsand Deaths from August 30 to December 19, 2009 Flu activity continued to decline in the United States during the week of December 13-19, 2009, as reported in FluView. The number of states reporting widespread flu activity decreased from 11 to 7. Visits to doctors for influenza-like illness, flu-associated hospitalizations, and flu-associated deaths all declined from the previous week. Flu is unpredictable and activity can rise and fall throughout the season, but flu is is likely to continue for months caused by either 2009 H1N1 viruses or regular seasonal flu viruses. In addition to seasonal flu vaccine, a vaccine against the 2009 H1N1 virus has been produced and is the best way to protect against the pandemic virus. Supplies of this vaccine are increasing and many places have opened up vaccination to anyone who wants it.
NEW: 2009 H1N1 Influenza Vaccination Coverage This document provides information on the National H1N1 Flu Survey (NHFS) which was conducted to determine who has received the 2009 H1N1 influenza vaccine since its release.
NEW: Know the Emergency Warning Signs Describes "emergency warning signs" in adults and children that should signal anyone to seek medical care urgently.
NEW: Know the Symptoms of Flu Describes symptoms that people who have the flu often feel and how long people with the flu should stay at home.
NEW: About 2009 H1N1 Flu Describes 2009 H1N1 flu and five steps to take if you get 2009 H1N1 flu or seasonal flu.
UPDATE: What You Should Know and Do this Flu Season If You Are 65 Years and Older Revised fact sheet for people 65 and older to reflect the fact that supplies of the vaccine to protect against the 2009 H1N1 virus are increasing and many places have opened up vaccination to anyone who wants it. CDC is now encouraging those who have been patiently waiting to receive the 2009 H1N1 vaccine, including people 65 and older, to get vaccinated depending on local supply.
UPDATE: Vaccine Information for Clinicians and Health Care Professionals Supplies of the vaccines to protect against the 2009 H1N1 virus are increasing. Providers are encouraged to open up vaccination to anyone who wants it as soon as the needs of the initial prioritized populations have been met. Many places have already opened up vaccination to anyone who wants it and CDC is encouraging people who have been patiently waiting to receive the 2009 H1N1 vaccine to get vaccinated now. Influenza is unpredictable, but flu is expected to continue for months, caused by either 2009 H1N1 viruses or regular seasonal flu viruses. This vaccine is the best way to protect against the 2009 H1N1 pandemic virus
UPDATE: 2009 H1N1 Flu International Situation Update This report provides an update to the international situation as of December 18, 2009. The World Health Organization (WHO) continues to report updated 2009 H1N1 flu-associated laboratory-confirmed cases and deaths on its Web page.
NEW: Updated Interim Recommendations: Special Considerations for Clinicians Regarding 2009 H1N1 Influenza in Severely Immunosuppressed Patients These interim recommendations refer to patients who are severely immunosuppressed as a result of receiving treatment for malignancies; or as a result of receiving treatment related to solid organ or hematopoietic stem cell transplants; or as a result of autoimmune conditions and treatment. In addition to this guidance, there are documents available for caregivers of adult and adolescent HIV-infected patients as well as for patients with rheumatological diseases
NEW: 2009 H1N1 and Seasonal Flu and African American Communities: Questions and Answers These questions and answers summarize the current understanding of the impact of 2009 H1N1 and seasonal influenza virus on African Americans, describe some of the barriers to uptake of 2009 H1N1 and seasonal influenza vaccines, and outline potential strategies for improving health and increasing vaccine coverage in African American communities.
UPDATE: 2009 H1N1 Influenza Vaccine This document provides answers to frequently asked questions about H1N1 vaccine. It also has updated information on vaccine project areas and distribution at the state and local level.
NEW: Caring for Someone Sick at Home Will you know what to do if someone in your home gets the flu? This new online guide from CDC provides step-by-step instructions on how to care for someone sick in your home. Learn what you can do to help your family this flu season.
UPDATE: 2009 H1N1 Flu International Situation Update This report provides an update to the international situation as of December 4, 2009. The World Health Organization (WHO) continues to report updated 2009 H1N1 flu-associated laboratory-confirmed cases and deaths on its Web page.
NEW: In The News Question & Answer on Antiviral Usage During the Pandemic Significant increases in the proportion of hospitalized adults and children being treated with influenza antiviral drugs have been noted during the 2009 H1N1 pandemic compared to the proportion of adults and children that have been treated with flu antiviral drugs during past seasonal influenza epidemics.
UPDATE: Weekly FluView Map and Surveillance Report for Week Ending November 28, 2009 During the week of November 22-28, 2009, flu activity declined in the United States as reported in FluView. The number of states reporting widespread flu activity decreased from 32 to 25 and visits to doctors for influenza-like illness declined nationally from the previous week. In addition, flu-related hospitalizations and deaths continue to decline, but remain high compared to what is expected for this time of year.
NEW: 2009 H1N1 Flu International Situation Update This report provides an update to the international situation as of November 27, 2009. The World Health Organization (WHO) continues to report updated 2009 H1N1 flu-associated laboratory-confirmed cases and deaths on its Web page.
NEW: Weekly FluView Map and Surveillance Report for Week Ending November 21, 2009 During the week of November 15-21, 2009, influenza activity decreased in the United States as reported in FluView. Flu activity is widespread in 32 states. Nationally, visits to doctors for influenza-like-illness decreased sharply from last week. Flu-related hospitalizations and deaths remain higher than expected for this time of year.
UPDATE: Questions and Answers on 2009 H1N1 Vaccine Financing This document has been revised to include additional information about Medicare and Medicaid payments made for H1N1 vaccine administration in settings outside the provider office.
UPDATE: 2009 H1N1 Influenza: Resources for Pharmacists This page was updated November 25, 2009 to include new information on antiviral availability and additional information that may be useful for pharmacists working in both outpatient and inpatient settings.
NEW: Information about the 2009 H1N1 Virus This page contains links to information about the 2009 H1N1 virus, including the origins of the virus and recent reports of small changes to the virus.
UPDATE: 2009 H1N1 Monovalent Influenza Vaccine Dosage, Administration, and Storage This document has been revised to include updated information related to FDA approval of the GSK 2009 H1N1 monovalent influenza vaccine to be used in persons ages 18 years old and older and the expanded use of CSL 2009 H1N1 monovalent influenza vaccine to younger age groups.
NEW: CDC Guidance for Emergency Shelters for the 2009-2010 Flu Season This updated guidance expands upon previously posted guidance entitled, "Interim Guidance for Homeless and Emergency Shelters on the Novel Influenza A (H1N1) Virus" dated June 16, 2009. It provides detailed recommendations for emergency shelters on planning, staffing, and arranging the shelter to reduce the risk of influenza transmission.
NEW: 2009 H1N1 Flu International Situation Update This report provides an update to the international situation as of November 20, 2009. The World Health Organization (WHO) continues to report updated 2009 H1N1 flu-associated laboratory-confirmed cases and deaths on its Web page.
NEW: Weekly FluView Map and Surveillance Report for Week Ending November 14, 2009 During the week of November 8-14, 2009, influenza activity decreased slightly in the United States as reported in FluView. Flu activity is widespread in 43 states. Nationally, visits to doctors for influenza-like-illness declined from last week, but are still higher than expected for this time of year. Flu-related hospitalizations and deaths have declined slightly, but are still very high nation-wide compared to what is expected for this time of year.
NEW: U.S. Influenza and Pneumonia-Associated Hospitalizations and Deaths from August 30 to November 14, 2009 During the week of November 8-14, 2009, influenza activity decreased slightly in the United States as reported in FluView. Flu activity is widespread in 43 states. Nationally, visits to doctors for influenza-like-illness declined from last week, but are still higher than expected for this time of year. Flu-related hospitalizations and deaths have declined slightly, but are still very high nation-wide compared to what is expected for this time of year.
NEW: Updated Guidance for the Use of CSL 2009 H1N1 Monovalent Vaccine On November 11, 2009, the FDA expanded the approved use of CSL's seasonal and 2009 H1N1 monovalent influenza vaccines to include children aged 6 months and older. Both vaccines had previously been approved only for use in adults, aged 18 years and older.
NEW: 2009 H1N1 Flu International Situation Update This report provides an update to the international situation as of November 13, 2009. The World Health Organization (WHO) continues to report updated 2009 H1N1 flu-associated laboratory-confirmed cases and deaths on its Web page.
NEW: Weekly FluView Map and Surveillance Report for Week Ending November 7, 2009 During the week of November 1-7, 2009, influenza activity remained high in the United States as reported in FluView. Flu activity is widespread in 48 states. Nationally, visits to doctors for influenza-like-illness declined slightly from last week, but are still very high. Flu-related hospitalizations and deaths continue to increase and are very high nation-wide compared to what is expected for this time of year.
NEW: U.S. Influenza and Pneumonia-Associated Hospitalizations and Deaths from August 30 to November 7, 2009 During the week of November 1-7, 2009, influenza activity continued to increase in the United States as reported in FluView. Flu activity is now widespread. Nationwide, visits to doctors for influenza-like-illness are increasing steeply and are now higher than what is seen at the peak of many regular flu seasons. In addition, flu-related hospitalizations and deaths continue to go up nation-wide and are above what is expected for this time of year.
Interim Guidance: Considerations Regarding 2009 H1N1 Influenza in Intrapartum and Postpartum Hospital Settings This updated guidance replaces previously posted guidance entitled "Consideration Regarding Novel H1N1 Flu Virus in Obstetric Setting", dated July 6, 2009. Two steps are provided to guide the clinical management of labor, delivery and postpartum care of a mother with suspected or confirmed maternal infection with 2009 H1N1 flu, and care of the newborn.
NEW: Letter to Providers Promoting PPSV for Adults Pneumococcal infections have been identified as an important complication in severe and fatal cases of 2009 H1N1 influenza virus infection. CDC has written a letter to providers urging them to make sure all their adult patients with indications have received the pneumococcal polysaccharide vaccine.
Weekly FluView Map and Surveillance Report for Week Ending October 31, 2009 During the week of October 25-31, 2009, influenza activity remained high in the United States as reported in FluView. Flu activity is widespread in 48 states. Nationally, visits to doctors for influenza-like-illness declined slightly from last week, but are still very high. Flu-related hospitalizations and deaths continue to increase and are very high nation-wide compared to what is expected for this time of year.
2009 H1N1 Influenza Vaccine Supply Status Every Friday, CDC will post updated 2009 H1N1 vaccine supply and distribution data. 26,248,100 doses have been shipped as of November 4, 2009.
Questions and Answers about 2009 H1N1 in pets What animals can be infected with the 2009 H1N1 virus? How do companion animals become infected with 2009 H1N1? Can I get 2009 H1N1 influenza from my pet? Is there a vaccine available for my pet?
2009 H1N1 Vaccine Dosage, Administration, and Storage This document provides health care providers, clinicians, and vaccine planners with information about 2009 H1N1 monovalent influenza vaccine dosage, administration and storage.
2009 H1N1 Influenza: Resources for Pharmacists Quicklinks for information regarding Peramivir IV and to FDA's Guidance to Pharmacies on Advance Compounding of Tamiflu Oral Suspension to Provide for Multiple Prescriptions.