What is vaxigrip tetra?

Vaxigrip Tetra is a quadrivalent inactivated influenza vaccine, typically given as an injection that helps protect against four strains of the influenza virus.

It is approved for use in individuals aged six months and older, and it contains inactivated particles of two influenza A strains (H1N1 and H3N2), and two influenza B strains. The vaccine is usually given annually before the beginning of the flu season, and takes about two weeks to become effective.

Vaxigrip Tetra is manufactured by Sanofi Pasteur, and it is designed to help protect against the most prevalent strains of influenza in a given flu season. The vaccine is typically well-tolerated, with common side effects including mild fever, headache, and muscle pain.

Overall, Vaxigrip Tetra is considered to be a safe and effective tool in the fight against influenza, and is recommended for use by health organizations such as the World Health Organization and the Centers for Disease Control and Prevention.