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.

Effects of COVID-19 vaccination and previous infection on Omicron SARS-CoV-2 infection and relation with serology

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Infectiousness of SARS-CoV-2 breakthrough infections and

Protection of COVID-19 vaccination and previous infection against

Comparative transmission study of SARS-CoV-2 Omicron and Delta

Omicron and variant FAQs – East Bay Getting to Zero

Omicron: From Pandemic to Endemic « COVID-19 Resources

Infectiousness of SARS-CoV-2 breakthrough infections and

COVID-19 Vaccines Advice

Effectiveness of the booster dose of inactivated COVID-19 vaccine

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Timely booster vaccination reduces omicron breakthrough infections

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Effectiveness of the Coronavirus Disease 2019 (COVID-19) Bivalent

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