A health worker is administered the Pfizer-BioNTech COVID-19 vaccine on the first day of the vaccination campaign at the Clinique for Infectious Diseases in Skopje, North Macedonia, on Wednesday, February 17, 2021. North Macedonia began administering vaccinations against the coronavirus Wednesday from a first batch of 4,680 doses of Pfizer vaccines donated by neighboring Serbia over the weekend. (Photo by Boris Grdanoski/AP Photo)
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