Cold and Flu Forecast for Euclid, St. Petersburg, Florida – The Weather Channel

Flu Strain InformationBased on confirmed cases in Florida.

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STRAIN A

Influenza Type A

Includes the two most common subtypes of flu, H1N1 (swine flu), and H3N2 and is more likely to cause widespread outbreaks.

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STRAIN B

Influenza Type B

Typically accounts for about 26% of seasonal flu illnesses and is similar in severity to Type A. Type B is very contagious, but only affects humans, not animals.

Sources: Infectious Diseases Society of America, CDC