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A chronological review of COVID-19 case fatality rate and its secular trend and investigation of all-cause mortality and hospitalization during the Delta and Omicron waves in the United States: a retrospective cohort study.
Li JX, Liao PL, Wei JC, Hsu SB, Yeh CJ. Li JX, et al. Among authors: liao pl. Front Public Health. 2023 Sep 15;11:1143650. doi: 10.3389/fpubh.2023.1143650. eCollection 2023. Front Public Health. 2023. PMID: 37799149 Free PMC article.
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