The Delta variant was the dominant strain in India during the study period, accounting for approximately 80 per cent of all confirmed Covid-19 cases.
https://ift.tt/eA8V8J The Delta variant was the dominant strain in India during the study period, accounting for approximately 80 per cent of all confirmed Covid-19 cases. from Zee News :India National https://ift.tt/3DMJ9bE
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» Covaxin 50% effective against symptomatic Covid cases: Lancet study
Covaxin 50% effective against symptomatic Covid cases: Lancet study

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