Relative vaccine effectiveness of a CoronaVac booster dose in preventing symptomatic SARS-CoV-2 infection among healthcare workers during an Omicron period in Azerbaijan, January

Relative vaccine effectiveness of a CoronaVac booster dose in preventing symptomatic SARS-CoV-2 infection among healthcare workers during an Omicron period in Azerbaijan, January–August 2022

Published:2023-10-20 Issue: Volume: Page:
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Author:

Finci Iris,Rojas Castro Madelyn Yiseth,Seyidov Nabil,Mehdiyev Samir,McKnight C. Jason,Mühlemann Barbara^ORCID,Drosten Christian,Duca Lindsey,Pebody Richard,Kissling Esther^ORCID,Katz Mark A.,Hagverdiyev Gahraman

Abstract

AbstractAmong Azerbaijani healthcare workers (HCWs), compared to primary vaccine series, CoronaVac booster relative vaccine effectiveness was 60% (95% CI:25–79) and 79% (95% CI:44–92) against symptomatic and medically attended illness, respectively, during an Omicron BA.1/BA.2 period. Our results support timely CoronaVac booster uptake among Azerbaijani HCWs to reduce morbidity.

Publisher

Cold Spring Harbor Laboratory

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