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A medical worker takes a sample from a man for COVID-19 test at a temporary venue in Zagreb, Croatia, Oct. 27, 2020. (Jurica Galoic/Pixsell via Xinhua)
A medical worker takes a sample from a man for COVID-19 test at a temporary venue in Zagreb, Croatia, Oct. 27, 2020. (Jurica Galoic/Pixsell via Xinhua)