dec 31, 2019 - Chinese Authorities treated dozens of cases of pneumonia of unknown cause.
Description:
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.Added to timeline:
Date:
dec 31, 2019
Now
~ 5 years and 10 months ago