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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. Among authors: chiew cj. JAMA Oncol. 2023 Sep 1;9(9):1221-1229. doi: 10.1001/jamaoncol.2023.2271. JAMA Oncol. 2023. PMID: 37440245 Free PMC article.
Investigation of three clusters of COVID-19 in Singapore: implications for surveillance and response measures.
Pung R, Chiew CJ, Young BE, Chin S, Chen MI, Clapham HE, Cook AR, Maurer-Stroh S, Toh MPHS, Poh C, Low M, Lum J, Koh VTJ, Mak TM, Cui L, Lin RVTP, Heng D, Leo YS, Lye DC, Lee VJM; Singapore 2019 Novel Coronavirus Outbreak Research Team. Pung R, et al. Among authors: chiew cj. Lancet. 2020 Mar 28;395(10229):1039-1046. doi: 10.1016/S0140-6736(20)30528-6. Epub 2020 Mar 17. Lancet. 2020. PMID: 32192580 Free PMC article.
Clinical and Virological Features of Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) Variants of Concern: A Retrospective Cohort Study Comparing B.1.1.7 (Alpha), B.1.351 (Beta), and B.1.617.2 (Delta).
Ong SWX, Chiew CJ, Ang LW, Mak TM, Cui L, Toh MPHS, Lim YD, Lee PH, Lee TH, Chia PY, Maurer-Stroh S, Lin RTP, Leo YS, Lee VJ, Lye DC, Young BE. Ong SWX, et al. Among authors: chiew cj. Clin Infect Dis. 2022 Aug 24;75(1):e1128-e1136. doi: 10.1093/cid/ciab721. Clin Infect Dis. 2022. PMID: 34423834 Free PMC article.
Impact of Delta Variant and Vaccination on SARS-CoV-2 Secondary Attack Rate Among Household Close Contacts.
Ng OT, Koh V, Chiew CJ, Marimuthu K, Thevasagayam NM, Mak TM, Chua JK, Ong SSH, Lim YK, Ferdous Z, Johari AKB, Chen MI, Maurer-Stroh S, Cui L, Lin RTP, Tan KB, Cook AR, Leo PY, Lee PVJ. Ng OT, et al. Among authors: chiew cj. Lancet Reg Health West Pac. 2021 Dec;17:100299. doi: 10.1016/j.lanwpc.2021.100299. Epub 2021 Nov 1. Lancet Reg Health West Pac. 2021. PMID: 34746899 Free PMC article.
Virological and serological kinetics of SARS-CoV-2 Delta variant vaccine breakthrough infections: a multicentre cohort study.
Chia PY, Ong SWX, Chiew CJ, Ang LW, Chavatte JM, Mak TM, Cui L, Kalimuddin S, Chia WN, Tan CW, Chai LYA, Tan SY, Zheng S, Lin RTP, Wang L, Leo YS, Lee VJ, Lye DC, Young BE. Chia PY, et al. Among authors: chiew cj. Clin Microbiol Infect. 2022 Apr;28(4):612.e1-612.e7. doi: 10.1016/j.cmi.2021.11.010. Epub 2021 Nov 23. Clin Microbiol Infect. 2022. PMID: 34826623 Free PMC article.
Impact of Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) Vaccination and Pediatric Age on Delta Variant Household Transmission.
Ng OT, Koh V, Chiew CJ, Marimuthu K, Thevasagayam NM, Mak TM, Chua JK, Ong SSH, Lim YK, Ferdous Z, Johari AKB, Cui L, Lin RTP, Tan KB, Cook AR, Leo YS, Lee VJM. Ng OT, et al. Among authors: chiew cj. Clin Infect Dis. 2022 Aug 24;75(1):e35-e43. doi: 10.1093/cid/ciac219. Clin Infect Dis. 2022. PMID: 35323887 Free PMC article.
Analysis of COVID-19 Incidence and Severity Among Adults Vaccinated With 2-Dose mRNA COVID-19 or Inactivated SARS-CoV-2 Vaccines With and Without Boosters in Singapore.
Ng OT, Marimuthu K, Lim N, Lim ZQ, Thevasagayam NM, Koh V, Chiew CJ, Ma S, Koh M, Low PY, Tan SB, Ho J, Maurer-Stroh S, Lee VJM, Leo YS, Tan KB, Cook AR, Tan CC. Ng OT, et al. Among authors: chiew cj. JAMA Netw Open. 2022 Aug 1;5(8):e2228900. doi: 10.1001/jamanetworkopen.2022.28900. JAMA Netw Open. 2022. PMID: 36018588 Free PMC article.
49 results