Omicron Sub-lineage BA.2 Has Substantial ‘growth Advantage’ Over Original, UK Finds
[ad_1] The BA.2 sub-lineage of the Omicron variant of COVID-19, which is classed as a variant under investigation in the UK, spreads much faster than the original BA.1 strain but it also seems to show higher vaccine protection, health authorities said. The UK Health Security Agency (UKHSA) said that BA.2 has an increased growth rate […]
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