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    Infectious Disease Control Unit
    Mail Code: 1960
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Composition of the 2015-2016 Seasonal Influenza Vaccine

Trivalent formulations of the influenza vaccine for the 2015-2016 season will include an A/California/7/2009 (H1N1)pdm09-like virus, an A/Switzerland/9715293/2013 (H3N2)-like virus, and a B/Phuket/3073/2013-like virus (B/Yamagata lineage).  Quadrivalent formulations of the 2015-2016 influenza vaccine will include a B/Brisbane/60/2008-like virus in addition to the three virus components that are included in the trivalent formulation. Global laboratory surveillance for influenza viruses is the basis for changing one or more of the vaccine strains each year.

Vaccine Information Statements (VISs)

WHO Information On Vaccine Strains for 2015-16

How to find influenza vaccine

For the public:

For providers:

Influenza Vaccine Availability Tracking System (IVATS)
National Influenza Vaccine Summit
Enables providers to determine which wholesale distributors or manufacturers have seasonal influenza vaccine in stock for sale or on order.

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Last updated July 09, 2015