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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?

Africa's COVID-19 case fatality rate surpasses global level 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 Staff U.S.

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.

‘Pixie dust’: Why some vaccine sits on shelves while shortages intensify nationwide Confusion over nursing home set-asides, uncertainty about the status of second doses and reluctance to order vaccine that might go unused mean some doses remain in warehouses. Isaac Stanley-Becker, Lena H. Sun Washington Post

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