Scientists say signs a new coronavirus variant is more deadly than the earlier version should not be a "game changer" in the UK's response to the pandemic.
Boris Johnson has said there is "some evidence" the variant may be associated with "a higher degree of mortality".
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.
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