Bulgarian Virologist: Omicron Sub Variants are more Contagious
"The virus is quite active. Not only did Omicron appear, but there are sub-variants. These are BA.1 - the classic Omicron, BA.2 and BA.3. Probably all
Source: theuknews.com
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"The virus is quite active. Not only did Omicron appear, but there are sub-variants. These are BA.1 - the classic Omicron, BA.2 and BA.3. Probably all
The highly transmissible Omicron with three sub-variants is likely replacing the previously dominant Delta strain in India, pushing the daily tally of Covid-19 cases in the country.