Effectiveness of four vaccines in preventing SARS-CoV-2 infection in Almaty, Kazakhstan in 2021: retrospective population-based cohort study

• Autors principals: Dilyara Nabirova (Autor), Roberta Horth (Autor), Manar Smagul (Autor), Gaukhar Nukenova (Autor), Aizhan Yesmagambetova (Autor), Daniel Singer (Autor), Alden Henderson (Autor), Alexey Tsoy (Autor)
• Format: Llibre
• Publicat: Frontiers Media S.A., 2023-06-01T00:00:00Z.
• Matèries: article
• Accés en línia: Connect to this object online.

BackgroundIn February 2021 Kazakhstan began offering COVID-19 vaccines to adults. Breakthrough SARS-CoV-2 infections raised concerns about real-world vaccine effectiveness. We aimed to evaluate effectiveness of four vaccines against SARS-CoV-2 infection.MethodsWe conducted a retrospective cohort ana...