A comprehensive list of the groups included in the national immunisation programme for the 2022 to 2023 flu season in England are described in Appendix A of the National flu immunisation programme plan, in the Statement of Amendments to Annual Flu letter – 21 July 2022 and in the Vaccine eligibility section below. [...] The ovalbumin content of the flu vaccines for the 2022 to 2023 season is available in the Influenza vaccines marketed in the UK table on the Annual flu programme webpage. [...] The adjuvanted influenza vaccine has been widely used in the UK for the past 4 flu seasons Cell-based quadrivalent influenza vaccine (QIVc) The cell-based quadrivalent influenza vaccine (QIVc), was first used in the UK for the 2019 to 2020 flu season and contains whole inactivated virus. [...] It does not require the use of, or growth of influenza virus during the manufacturing process which means that the antigen in the vaccine cannot adapt or mutate and should therefore be an exact match to the flu A and B strains in the WHO recommendations for the vaccine. [...] 31 The national influenza immunisation programme 2022 to 2023: information for healthcare practitioners Images of the vaccine being squirted into the air (which are widely available on the internet) and the USA name of the vaccine (FluMist Quadrivalent) may give a false impression that a vaccine mist fills the room.
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