Vaccin Grippe 2024 2024 Calendar. La campagne de vaccination se déroule du 15 octobre 2024 au 31 janvier 2025. Because the virus evolves each year,.

The tetravalent vaccines contain both seasonal influenza a subtypes, a (h3n2) and a (h1n1)pdm09, and both influenza b lineages, b/victoria and b/yamagata. We provide member states with strategic guidance, technical support and coordination of activities essential to make their health systems better.