RIO DE JANEIRO, BRAZIL - British health authorities said on Friday (22) that they are analyzing the subvariant of the delta strain of Covid-19 currently circulating in the UK that appears to be more contagious; however, it does not appear to be more deadly or vaccine-resistant.
The variant "AY4.2 accounted for 6% of all cases in the UK," reported in its weekly bulletin the UK Health Security Agency, which said they are "currently investigating" this strain.
So far, it is "not a variant of concern," it added.
"Preliminary evidence appears to show that it has higher levels of . . .
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