Why Couldn't the Groundhog Predict This?
Flu season may have peaked in February, but we’re not out of the woods yet.
The bulk of this year’s deadly flu season was dominated by the H3N2 virus, an influenza A strain that is more severe and less receptive to vaccines than other types of the disease. As the season winds down, however, influenza B has overtaken influenza A, setting the scene for a possible second wave of flu, according to Centers for Disease Control and Prevention (CDC) data.
While flu activity nationwide has dropped to just above non-flu-season levels, influenza B viruses were reported more frequently than influenza A viruses during the week ending March 17, according to the CDC. Influenza B infections, which commonly strike later in the season, may be especially severe for young children, a CDC spokesperson told CNN.
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