
CDC Flu Data
Report estimates flu illnesses and hospitalizations prevented by vaccination last season
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FluVaxView
How many people got their flu vaccination already? View estimates with FluVaxView!
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CDC Influenza Application
for Clinicians and Health Care Professionals
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FluView Interactive
Influenza Surveillance Data the Way You Want it!
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What's New
04/15/2014 08:11 PM EDT How CDC uses antigenic characterization as part of global flu surveillance and to select viruses for use in the seasonal flu vaccine. 04/16/2014 04:03 PM EDT 04/18/2014 12:00 PM EDT 04/18/2014 1:00 PM EDT |
Weekly Influenza Surveillance
Flu activity is low in most of the United States, but a wave of influenza B virus activity is affecting parts of the country. It's possible that significant flu activity could continue into May. CDC still recommends that people get a flu vaccine if they have not yet this season. And remember that flu antiviral drugs are a second line of defense to treat flu illness. People at high risk of serious flu illness should call a health care provider if they get flu symptoms.
What You Should Know for the 2013-2014 Season
- When did flu activity peak?
- Who was most severely impacted by flu this season?
- Are new flu viruses circulating this season?
- How well is the vaccine working this season?
Antigenic Characterization

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