31 dic 2019 anni - China alerts WHO to several cases of "unusual pneumonia" in Wuhan
Descrizione:
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.
Aggiunto al nastro di tempo:
Data:
~ 4 years and 4 months ago