2022-2023 Flu Vaccine Composition
February 25, 2022. The World Health Organization (WHO) today announced the recommendations for the viral composition of influenza vaccines for the 2022-2023 influenza season in the northern hemisphere. The announcement was made at an information session at the end of a 4-day Information Meeting on the Composition of Influenza Virus Vaccines, a meeting that is held twice annually. The WHO recommends that quadrivalent vaccines for use in the 2022-2023 influenza season in the northern hemisphere contain the following: Egg-based vaccines an A/Victoria/2570/2019 (H1N1)pdm09-like virus; an A/Darwin/9/2021 (H3N2)-like virus; a B/Austria/1359417/2021 (B/Victoria lineage)-like virus; and a B/Phuket/3073/2013 (B/Yamagata lineage)-like virus. Cell Read More …