corona vaccine News

COVID mRNA vaccines lose strength against Delta over time

December 15, 2021 No Comments
Mary Van Beusekom | News Writer | CIDRAP News
Dec 15, 2021

One study finds that 2 doses of Moderna were highly effective against all variants, but Delta protection waned.

Mary Van Beusekom | News Writer | CIDRAP NewsDec 15, 2021One study finds that 2 doses of Moderna were highly effective against all variants, but Delta protection waned.Read More

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