People wait to receive the Sinovac COVID-19 vaccine at a vaccination center in Santiago, Chile, March 30, 2021. /CFP The newly-released data on the protective effects of China's Sinovac COVID
People wait to receive the Sinovac COVID-19 vaccine at a vaccination center in Santiago, Chile, March 30, 2021. /CFP The newly-released data on the protective effects of China's Sinovac COVID
简体中文
