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COVID-19 Severity and Waning Immunity After up to 4 mRNA Vaccine Doses in 73 608 Patients With Cancer and 621 475 Matched Controls in Singapore: A Nationwide Cohort Study.
Tan WC, Tan JYJ, Lim JSJ, Tan RYC, Lee ARYB, Leong FL, Lee SC, Chai LYA, Tan TT, Malek MIBA, Ong B, Lye DC, Chiew CJ, Chng WJ, Lim ST, Bharwani LD, Tan IB, Sundar R, Tan KB. Tan WC, et al. JAMA Oncol. 2023 Sep 1;9(9):1221-1229. doi: 10.1001/jamaoncol.2023.2271. JAMA Oncol. 2023. PMID: 37440245 Free PMC article.
Effectiveness of bivalent mRNA vaccines against medically attended symptomatic SARS-CoV-2 infection and COVID-19-related hospital admission among SARS-CoV-2-naive and previously infected individuals: a retrospective cohort study.
Tan CY, Chiew CJ, Pang D, Lee VJ, Ong B, Wang LF, Ren EC, Lye DC, Tan KB. Tan CY, et al. Lancet Infect Dis. 2023 Dec;23(12):1343-1348. doi: 10.1016/S1473-3099(23)00373-0. Epub 2023 Aug 2. Lancet Infect Dis. 2023. PMID: 37543042