L'immunité collective

Cinq questions et réponses : qu'est-ce que l'immunité collective, et pourquoi est-elle si importante ? Combien doivent être immunisés pour que celle-ci soit efficace, comment la calculer et quelles conditions doivent être remplies ? Auteur : 3sat/nano/Raketenfilm/Andreas Gust/Konstantin Fuchs/ Traduction et doublage en français : alugha Cliquez ici pour voir plus de vidéos : https://alugha.com/TerraX

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