COVID-19 Vaccines, Prior Infection Reduce Transmission of Omicron

California prisons saw more than 20,000 COVID-19 Omicron cases over a five-month period. However, vaccination and boosting kept hospitalization and death rates low.

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Omicron largely evades immunity from past infection or two vaccine

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Booster vaccination offered additional protection to residents and staff of California state prisons against SARS-CoV-2 Omicron

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