BF.7 variant in China: Key symptoms on December 21, 2022 Get link Facebook Twitter Pinterest Email Other Apps The COVID causing coronavirus has mutated into several variants since its emergence in 2020. Of all the variants Omicron has outlived others and has remained the dominant variant for more than a year. Comments
The COVID causing coronavirus has mutated into several variants since its emergence in 2020. Of all the variants Omicron has outlived others and has remained the dominant variant for more than a year.
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