A staff member checks the labels of COVID-19 vaccine at the packaging workshop of Sinovac Biotech, a Chinese biopharmaceutical company, in Beijing, capital of China, Dec. 23, 2020.
A staff member checks the labels of COVID-19 vaccine at the packaging workshop of Sinovac Biotech, a Chinese biopharmaceutical company, in Beijing, capital of China, Dec. 23, 2020.