Bondarenko, Olha
Venner, Georgia
Craig, Brett
Gaievskyi, Stanislav
Grechukha, Yevgenii
Habicht, Jarno
Funding for this research was provided by:
The study was performed within 2-d round of the COVID-19 vaccine Delivery Support (CDS) Program
Article History
Received: 23 January 2026
Accepted: 10 March 2026
First Online: 17 March 2026
Declarations
:
: The study was approved by the Institutional Review Board of the Public Health Center, Ministry of Health, Ukraine (IRB2O24-121), and WHO’s Ethics Committee (ERC.0004149).
: Not applicable.
: The authors declare no competing interests.