31 dic 2019 año - Chinese authorities treat dozens of cases of pneumonia from an unknown cause.
Descripción:
On December 31st, 2019 government officials in Wuhan, China confirm that they are treating dozens of people with an illness of an unknown cause. At the same time, a new virus had infected dozens in Asia however there was not evidence of human transmission.Añadido al timeline:
fecha:
31 dic 2019 año
Ahora mismo
~ 5 years and 9 months ago