sub-lineage
Omicron sub-lineage BA.2 has substantial ‘growth advantage’ over original, UK finds-
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By PTI LONDON: The BA.2 sub-lineage of the Omicron variant of COVID-19, which is classed as a variant under investigation ...
More mutations ahead? Omicron sub-lineage BA.2 variant under investigation in UK-
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By PTI LONDON: The UK health authorities on Friday said they will be conducting further analysis into a sub-lineage of ...
New sub-lineage of COVID’s Delta variant detected in Sri Lanka; samples sent to Hong Kong lab-
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By PTI COLOMBO: Sri Lanka on Friday detected a new sub-lineage of the Delta variant of COVID-19, scientifically named B.1.617.2.AY ...