Recommended composition of influenza virus vaccines for use in the 2020–2021 northern hemisphere influenza season – Composition recommandée des vaccins antigrippaux pour la saison grippale 2020-2021 dans l’hémisphère Nord

World Health Organization = Organisation mondiale de la Santé.
Wkly. epidemiol. rec; 95(12): 105-116, 2020-03-20.
Artigo em Inglês, Francês | WHOLIS | ID: who-331504