A health worker displays a dose of a COVID-19 vaccine currently on phase III clinical trials to be administered to Cem Gun, an Emergency Medicine Physician at the Acibadem Hospital in Istanbul, Friday, Oct. 9, 2020. The vaccine developed in China by Sinovac Biotech, was approved for trials by Health Institutes of Turkey (TUSEB) in 26 private hospitals in the country. Emrah Gurel/AP Photo