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What CDC Does about Novel Flu: Outbreak Investigations
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 Influenza (Flu)
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Weekly U.S. Influenza Surveillance Report
CDC's Influenza Division produces a weekly influenza surveillance report, FluView. According to this week's report (Apr 7-13), seasonal flu activity decreased in the United States, but remains elevated. Eleven states are reporting widespread flu activity. CDC estimates that flu has caused as many as 41.3 million flu illnesses, 610,000 hospitalizations and 57,300 deaths so far this season.
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What CDC Does About Novel Flu: Outbreak Investigations
CDC works with state and local health departments to investigate human outbreaks with novel flu viruses (i.e., flu viruses that do not normally circulate in people) and animal outbreaks caused by unusual or concerning flu viruses. CDC takes novel flu outbreaks seriously because of their potential to harm large numbers of people.
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2009 H1N1 Pandemic Commemoration
In the spring of 2009, a novel influenza A(H1N1) virus emerged. It was detected first in the U.S. and spread quickly across the U.S and the world. This new H1N1 virus, (H1N1)pdm09, contained a unique combination of flu genes not previously identified in animals or people. Today, (H1N1)pdm09 virus continues to circulate as a seasonal flu virus and cause illness and deaths worldwide each year.
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 Follow us on Twitter
Spring brings sunnier days and fresh flowers, but #flu is still around! Even as flu activity declines, it is important that we all still practice healthy habits, like covering coughs and handwashing, to limit the spread of germs. Learn more here: https://go.usa.gov/xmDrH
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| Content source: National Center for Immunization and Respiratory Diseases |
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