Association of Homologous and Heterologous Vaccine Boosters with COVID-19 Incidence and Severity in Singapore

• Main Authors: Tan, SHX, Pung, R, Wang, LF, Lye, DC, Ong, B, Cook, AR, Tan, KB
• Other Authors: MEDICINE
• Format: Letter
• Published: American Medical Association (AMA) 2022
• Subjects: COVID-19; COVID-19 Vaccines; Humans; Immunization, Secondary; Incidence; Severity of Illness Index; Singapore
• Online Access: https://scholarbank.nus.edu.sg/handle/10635/219276
• Institution: National University of Singapore

10.1001/jama.2022.1922