Covid-19: WHO chief worried about ‘tsunami’ of Omicron, Delta cases
Top officials with the UN health agency cautioned that it’s still too early to be reassured by initial data suggesting that omicron leads to milder disease. The head of the…
Top officials with the UN health agency cautioned that it’s still too early to be reassured by initial data suggesting that omicron leads to milder disease. The head of the…
According to US Centers for Disease Control and Prevention data, over 99.5% of infections in the country in November were caused by the Delta variant. As the world still comes…