The steady drumbeat of reports about new variants of the coronavirus — first in Britain, then in South Africa, Brazil and the United States — has brought a new worry: Will vaccines protect against these altered versions of the virus?
NAIROBI (Reuters) - Africa’s coronavirus case fatality rate has risen alarmingly to 2.5%, higher than the global level of 2.2%, the head of the continent’s disease control body said on Thursday.
(Reuters) - The U.S. coronavirus death toll topped 400,000 on Tuesday, according to a Reuters tally, as the country hardest hit by the pandemic struggled to meet the demand for vaccines to stem the spread of infection.
Recent Comments