DCGI nod to Bharat Biotech's Intranasal Covid booster dose for restricted use
Covid booster..
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Centre to provide free Covid booster dose for 75 days
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Mix-and-match Covid booster dose safe, boosts immunity: US NIH
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Covid booster dose provides good antibody protection against Omicron: Lancet
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India demands Covid booster jabs as Omicron cases surges
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India may need Covid booster by mid-2022: Prof Padmanabhan
