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Abstract
This retrospective study analyzed three COVID-19 outbreaks in a Serbian nursing home during waves of pre-Alpha, Delta, and Omicron variants. Despite vaccination (mostly BBIBP-CorV) of most residents and staff, outbreaks occurred, with case fatality rates of 31.2%, 9.1%, and 0%, respectively. Older individuals showed a good immune response, preventing significant mortality and morbidity in later outbreaks. The study highlights the impact of SARS-CoV-2 variants and vaccine effectiveness, particularly with BBIBP-CorV.
Publisher
Not specified in provided text
Published On
Jan 01, 2023
Authors
Vladan Čokić, Zorana Popovska, Olivera Lijeskić, Ljiljana Šabić, Olgica Djurković-Djaković
Tags
COVID-19
nursing home
vaccination
SARS-CoV-2 variants
case fatality rate
BBIBP-CorV
immune response

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