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Celine Y. Tan

Ministry of Health, Singapore

College of Medicine

16 College Road

Singapore, 169854

Singapore

  • Ministry of Health, Singapore

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Protective Effectiveness of Natural SARS-CoV-2 Infection and Vaccines against Omicron BA.4/BA.5 and XBB Reinfection in Singapore: A National Cohort Study

Number of pages: 30 Posted: 03 Jan 2023
Celine Y. Tan, Calvin J. Chiew, Deanette Pang, Vernon J. Lee, Benjamin Ong, David Chien Lye and Kelvin Bryan Tan
Ministry of Health, Singapore, National Centre for Infectious Diseases, Singapore, Ministry of Health, Singapore, Ministry of Health, Singapore, Ministry of Health, Singapore, National Centre for Infectious Diseases (Singapore) and Ministry of Health, Singapore
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COVID-19, SARS-CoV-2, vaccines, SARS-CoV-2 variants, hybrid immunity