The effectiveness of primary series CoronaVac vaccine in
preventing COVID-19 illness: a prospective cohort study among health
workers in Azerbaijan, May–November, 2021
Mark A. Katz*1, Madelyn Yiseth Rojas Castro
*2, Nabil Seyidov3, M. Trent
Herdman4, Samir Mehdiyev3, Jason
McKnight1, Alina Guseinova1, Radu
Cojocaru1, Jason Doran4, Barbara
Mühlemann, 5,6 Christian Drosten,5,6 Javahir Suleymanova7, Richard
Pebody1, Esther Kissling2, Gahraman
Hagverdiyev3
*authors contributed equally to the study
Corresponding author: katzm@who.int
- World Health Organization Regional Office for Europe, Copenhagen,
Denmark
- Epiconcept, Paris, France
- Public Health and Reforms Center, Ministry of Health, Azerbaijan
Republic
- UK Field Epidemiology Training Programme, UK Health Security Agency,
UK
- Institute of Virology, Charité–Universitätsmedizin Berlin, corporate
member of Freie Universität Berlin, Humboldt- Universität zu Berlin,
and Berlin Institute of Health, 10117 Berlin, Germany
- German Centre for Infection Research (DZIF), partner site Charité,
10117 Berlin, Germany
- World Health Organization, Baku, Azerbaijan