3 janv. 2021 - January: A new, highly virulent strain of SARS-CoV-2 (the alpha variant “B.1.1.7) was first identified in a patient in New York. This variant originated in the UK. Over 60 cases are identified by the CDC during January 2021.
Ajouté au bande de temps:
Date:
3 janv. 2021
Maintenaint
~ Il y a 3 ans et 5 mois
