National Foundation for Infectious Diseases

Influenza infection rates usually peak around February in the United States, so now is an important time to look at some facts about the disease. Influenza, commonly known as "the flu," is a serious and highly contagious virus that kills more Americans every year than all other vaccine-preventable diseases combined. And while the very young and very old are at the highest risk of serious influenza illness, all of us in the 50+ category should be concerned about this dangerous disease.
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