With 28,000 samples, 7th serosurvey in Delhi to be largest exercise: Jain

The previous survey was conducted a few months ago when Delhi was reeling under the brutal second wave of the pandemic.

The previous survey was conducted a few months ago when Delhi was reeling under the brutal second wave of the pandemic. https://ift.tt/2Wchgt7 September 25, 2021 at 01:37AM

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