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Ukraine administered approximately 6.99 million first doses, over seven million second doses, nearly 599 thousand booster shots, and about 23 thousand additional doses of COVID-19 vaccine developed by Pfizer and BioNTech as of February 20, 2022. Furthermore, the country used vaccines by AstraZeneca (Covishield), Sinovac (CoronaVac), Moderna, and Johnson & Johnson (Janssen) for COVID-19 vaccination.