Comparative effectiveness of 3 or 4 doses of mRNA and inactivated whole-virus vaccines against COVID-19 infection, hospitalization and severe outcomes among elderly in Singapore

oleh: Celine Y. Tan, Calvin J. Chiew, Vernon J. Lee, Benjamin Ong, David Chien Lye, Kelvin Bryan Tan

Format: Article
Diterbitkan: Elsevier 2022-12-01

Deskripsi

Subjek

COVID-19; SARS-CoV-2; Vaccines; mRNA vaccine; Inactivated vaccine