domingo, 12 de febrero de 2023

COVID-19 Incidence and Mortality Among Unvaccinated and Vaccinated Persons Aged ≥12 Years by Receipt of Bivalent Booster Doses and Time Since Vaccination - 24 U.S. Jurisdictions, October 3, 2021-December 24, 2022. Amelia G Johnson et al. MMWR. Morbidity and mortality weekly report 2023 2 (6) 145-152

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