31 dic 2019 año - China alerts WHO to several cases of "unusual pneumonia" in Wuhan
Descripción:
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.
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fecha:
31 dic 2019 año
Ahora mismo
~ 4 years and 4 months ago