Third vaccine dose critical for protecting populations against omicron variant: study - Medical Xpress

mRNA vaccines are highly effective in preventing COVID-19 associated hospital admissions related to the alpha, delta, and omicron variants. But three doses are needed to achieve a similar level of protection against omicron that two doses provide against the …

mRNA vaccines are highly effective in preventing COVID-19 associated hospital admissions related to the alpha, delta, and omicron variants. But three doses are needed to achieve a similar level of pr… [+4718 chars]

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