Abstract
This report summarizes U.S. influenza activity* during October 2-December 17, 2016.† Influenza activity in the United States remained low in October and has been slowly increasing since November. Influenza A viruses were identified most frequently, with influenza A (H3N2) viruses predominating. Most influenza viruses characterized during this period were genetically or antigenically similar to the reference viruses representing vaccine components recommended for production in the 2016-17 Northern Hemisphere influenza vaccines.
MeSH terms
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Adolescent
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Adult
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Aged
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Ambulatory Care / statistics & numerical data
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Antiviral Agents / pharmacology
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Child
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Child Mortality
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Child, Preschool
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Drug Resistance, Viral
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Hospitalization / statistics & numerical data
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Humans
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Infant
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Infant, Newborn
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Influenza A Virus, H1N1 Subtype / drug effects
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Influenza A Virus, H1N1 Subtype / genetics
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Influenza A Virus, H1N1 Subtype / isolation & purification*
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Influenza A Virus, H1N2 Subtype / isolation & purification
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Influenza A Virus, H3N2 Subtype / drug effects
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Influenza A Virus, H3N2 Subtype / genetics
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Influenza A Virus, H3N2 Subtype / isolation & purification*
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Influenza B virus / drug effects
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Influenza B virus / genetics
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Influenza B virus / isolation & purification*
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Influenza, Human / epidemiology*
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Influenza, Human / mortality
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Influenza, Human / virology
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Middle Aged
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Pneumonia / mortality
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Population Surveillance*
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Seasons
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United States / epidemiology
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Young Adult