31 déc. 2019 - China alerts WHO to several cases of "unusual pneumonia" in Wuhan
Description:
On December 31 last year, China alerted WHO to several cases of unusual pneumonia in Wuhan, a port city of 11 million people in the central Hubei province. The virus was unknown.Ajouté au bande de temps:
Date:
31 déc. 2019
Maintenaint
~ Il y a 5 ans et 10 mois