Le vaccin COVID-19 de Pfizer pour les enfants âgés de 2 à 5 ans a fait long feu lors des essais cliniques, a annoncé vendredi la société, signalant un nouveau retard dans la mise à disposition d'un vaccin pour les enfants d'âge préscolaire, au moment même où Omicron s'abat sur les États-Unis.
Plus de 8 médecins lecteurs sur 10 ayant participé à un nouveau sondage déclarent être entièrement vaccinés contre le COVID-19 et avoir déjà reçu une injection de rappel ou prévoir d'en recevoir une prochainement.
Les autorités sanitaires du Texas ont annoncé le premier décès de COVID-19 lié à la variante Omicron. Il pourrait s'agir du premier décès lié à la variante Omicron aux États-Unis.
La Cour suprême des États-Unis entendra les arguments oraux le 7 janvier. Elle conteste les exigences de l'administration Biden en matière de vaccins et de tests COVID-19 pour les grandes entreprises et la plupart des travailleurs de la santé.
La protection par injection de rappel contre le COVID-19 symptomatique causé par la variante Omicron semble s'estomper en 10 semaines environ, selon de nouvelles données provenant de Grande-Bretagne.
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