FOX NEWS: Pfizer says COVID-19 vaccine booster dose effective, safe


Pfizer says COVID-19 vaccine booster dose effective, safe



Pfizer and BioNTech said a booster or third dose of its COVID-19 vaccine is safe and elicits an antibody response at levels that “significantly exceed” those seen in individuals who receive two doses of the jab.

Health via FOX NEWS https://ift.tt/3xW5lfI

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