Recipients of two doses of the Pfizer vaccine have strong protection against the delta variant that has been linked to risingcoronavirusfigures in the U.S., according to a study published this week. ...
Source LinkRecipients of two doses of the Pfizer vaccine have strong protection against the delta variant that has been linked to risingcoronavirusfigures in the U.S., according to a study published this week. ...
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