Vaccine effectiveness against Delta, Omicron BA.1, and BA.2 in a highly vaccinated Asian setting: a test-negative design study

OBJECTIVES: We compared the vaccine effectiveness over time of the primary series and booster against infection and severe disease with the Delta, Omicron BA.1, and BA.2 variants in Singapore, an Asian setting with high vaccination coverage. METHODS: We conducted a test-negative case-control study o...

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Detalles Bibliográficos
Autores principales: Tan, Celine Y., Chiew, Calvin J., Pang, Deanette, Lee, Vernon J., Ong, Benjamin, Lye, David Chien, Tan, Kelvin Bryan
Formato: Online Artículo Texto
Lenguaje:English
Publicado: European Society of Clinical Microbiology and Infectious Diseases. Published by Elsevier Ltd. 2023
Materias:
Original Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9398552/
https://www.ncbi.nlm.nih.gov/pubmed/36028091
http://dx.doi.org/10.1016/j.cmi.2022.08.002

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