Thursday, Oct 21, 2021 | Last Update : 05:32 PM IST

The Lancet journal

Pfizer, AstraZeneca vaccines protect against Delta variant: Lancet study

Pfizer vaccine offered 92 per cent protection against the Alpha variant and 79 per cent against the Delta strain 2 weeks after the 2nd dose

15 Jun 2021 1:11 PM

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