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Vaccine effectiveness in reducing COVID-19-related hospitalization after a risk-age-based mass vaccination program in a Chilean municipality: A comparison of observational study designs.
Urquidi C, Sepúlveda-Peñaloza A, Valenzuela MT, Ponce A, Menares V, Cortes CP, Benítez R, Santelices E, Anfossi R, Moller A, Santolaya ME. Urquidi C, et al. Among authors: sepulveda penaloza a. Vaccine. 2024 Jul 11;42(18):3851-3856. doi: 10.1016/j.vaccine.2024.05.002. Epub 2024 May 15. Vaccine. 2024. PMID: 38749822 Free article.