Waning Vaccine Immunity: Why Boosters Are So Crucial In Vulnerable Sub-Populations - 1breakingnews.c

The hot Covid-19 topic right now is the Omicron variant. At present, there are many unknowns about Omicron. We don't know its relative fitness, transmissibility, or virulence. Nor do we know the degree to which it is vaccine-evasive.

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