COVID-19 Vaccine Effectiveness Against Progression to In-Hospital Mortality in Zambia, 2021-2022.
Open Forum Infect Dis. 2022 Sep 11;9(9):ofac469. doi: 10.1093/ofid/ofac469. eCollection 2022 Sep.
Open Forum Infect Dis. 2022.
PMID: 36196297
Free PMC article.