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WHO Consultation on the Composition of Influenza Virus Vaccines for Use in the 2023-2024 Northern Hemisphere Influenza Season [1]

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Date: 2023-02-20  

WHO Consultation

Background

The periodic replacement of viruses contained in influenza vaccines is necessary in order for the vaccines to be effective due to the constant evolving nature of influenza viruses, including those circulating and infecting humans.

Twice annually, WHO organizes consultations with an advisory group of experts to analyze influenza virus surveillance data generated by the WHO Global Influenza Surveillance and Response System (GISRS), and issues recommendations on the composition of the influenza vaccines for the following influenza season. These recommendations are used by the national vaccine regulatory agencies and the pharmaceutical companies to develop, produce and license influenza vaccines.

Objectives

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[1] Url: https://www.who.int/news-room/events/detail/2023/02/20/default-calendar/who-consultation-on-the-composition-of-influenza-virus-vaccines-for-use-in-the-2023-2024-northern-hemisphere-influenza-season

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