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Recommended Composition of Influenza Virus Vaccines 2018

Recommended Composition of Influenza Virus Vaccines 2018

For Use in the 2018-2019 Northern Hemisphere Influenza Season

WHO convenes technical consultations in February and September each year to recommend viruses for inclusion in influenza vaccines for the northern and southern hemisphere influenza seasons, respectively. This recommendation relates to the influenza vaccines for use in the forthcoming northern hemisphere 2018-2019 influenza season. A recommendation will be made in September 2018 relating to vaccines that will be used for the southern hemisphere 2019 influenza season. For countries in tropical and subtropical regions, WHO recommendations on influenza vaccine composition (northern hemisphere or southern hemisphere) are available on the WHO Global Influenza Programme website.

It is recommended that quadrivalent vaccines for use in the 2018-2019 northern hemisphere influenza season contain the following:

an A/Michigan/45/2015 (H1N1)pdm09-like virus;

an A/Singapore/INFIMH-16-0019/2016 (H3N2)-like virus;

a B/Colorado/06/2017-like virus (B/Victoria/2/87 lineage); and

a B/Phuket/3073/2013-like virus (B/Yamagata/16/88 lineage).

It is recommended that the influenza B virus component of trivalent vaccines for use in the 2018-2019 northern hemisphere influenza season be a B/Colorado/06/2017-like virus of the B/Victoria/2/87-lineage.

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For more details, see http://www.who.int/influenza/vaccines/virus/recommendations/2018_19_north/en/ 


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