Pfizer, AstraZeneca COVID vaccines less effective at fighting Omicron: study

Pfizer and AstraZeneca's COVID-19 vaccines are not as effective in fighting off the Omicron variant compared to other strains, according to a new study published Monday.

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Dec 13, 2021 - 19:19
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Pfizer, AstraZeneca COVID vaccines less effective at fighting Omicron: study
Pfizer and AstraZeneca's COVID-19 vaccines are not as effective in fighting off the Omicron variant compared to other strains, according to a new study published Monday.