Influenza seasonality: timing and formulation of vaccines.
Influenza Division, Centers for Disease Control and Prevention, 1600 Clifton Road, Atlanta, GA 30333, United States of America .
Nancy
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Cox
D006801:Humans; D007251:Influenza, Human / Q000453:epidemiology* / Q000821:virology*; D009975:Orthomyxoviridae / Q000302:isolation & purification*