Why do breakthrough COVID-19 infections occur in the vaccinated? Published on 2021-12-042022-10-29 Journal: QJM: An International Journal of Medicine [키워드] COVID-19 infection occur [저자] Patrick Maclean, Alexander J Mentzer, Teresa Lambe, Julian Knight [Category] COVID-19, COVID19(2023년), MERS, SARS, PMC URL [DOI] 10.1093/qjmed/hcab307 [Article Type] Commentary [Source] PMC All Keywords 【제목키워드】 COVID-19 infection, occur,