Clinical and immune response characteristics among vaccinated persons infected with SARS-CoV-2 delta variant: a retrospective study
ConclusionsTwo doses of the SARS-CoV-2-inactivated vaccine were highly effective at limiting symptomatic disease and reducing immune response, while a single dose did not seem to be effective.
Source: Journal of Zhejiang University. Science. B. - Category: Universities & Medical Training Source Type: research
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