Inactivated vaccines developed by China prove efficient, effective: CDC Director Gao Fu By Global Times Published: Dec 29, 2020 06:43 PM A staff member tests samples of the COVID-19 inactivated vaccine at a vaccine production plant of China National Pharmaceutical Group (Sinopharm) in Beijing, capital of China, April 11, 2020. (Xinhua/Zhang Yuwei) As different types of COVID-19 vaccines were approved and large-scale inoculations across the world began, Gao Fu, director of the Chinese Center for Disease Control and Prevention (CDC), said that China's decision to develop inactivated vaccines have proven to be efficient and effective. "But we need to bear in mind that the virus is our common enemy, not countries," Gao stressed on Tuesday.