Virus Outbreak China Vaccines
Gao Fu, director of the China Centers for Disease Control, speaks at the National Vaccines and Health conference in Chengdu in southwest China’s Sichuan province Saturday, April 10, 2021. In a rare admission of the weakness of Chinese coronavirus vaccines, Gao the country’s top disease control official says their effectiveness is low and the government is considering mixing them to give them a boost. (Chinatopix Via AP)