Two full doses of the Pfizer-BioNTech Covid-19 vaccine are not effective at all against the Omicron variant of the coronavirus, but a third booster shot helps, said Dr. Gili Regev-Yochay, […]
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Content distributed by ISRAEL21c
Two full doses of the Pfizer-BioNTech Covid-19 vaccine are not effective at all against the Omicron variant of the coronavirus, but a third booster shot helps, said Dr. Gili Regev-Yochay, […]
