„For COVID-19, data to date suggest that 80% of infections are mild or asymptomatic, 15% are severe infection, requiring oxygen and 5% are critical infections, requiring ventilation."
https://www.who.int/......vid-19.pdf
E tot acelasi virus doar ca unele persoane sunt mai "imune" (Desi nu stiu daca e termenul corect) si respectivele nu prezinta simptome, desi, au virusul, si pot infecta alte persoane la randul lor.
George18011993 întreabă: