To evaluate the immune response to the ChAdOx1 nCoV-19 vaccine by measuring the titers of antibody against the SARS-CoV-2 spike protein receptor binding domain (RBD) among healthcare workers of My Duc Hospital and investigate potential associations of vaccine protection against infection in this population. The study's data can suggest the groundwork for the development of predictive models for post-vaccination protection in the Vietnamese population as well as for establishing vaccination strategies to control disease outbreaks in the future.
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SARS-CoV-2 anti-RBD IgG concentration
Timeframe: Up to 1 week after examination