In late December 2019, the Wuhan Municipal Health Commission reported cases of an unidentified viral pneumonia, which, along with other reports, alerted the World Health Organization (WHO) to a potential new health threat that was identified as a coronavirus in January 2020 and was later named SARS-CoV-2.
via Livescience.com https://ift.tt/3ryPthu
Δεν υπάρχουν σχόλια:
Δημοσίευση σχολίου