Medical workers from Hunan blood center transfer donated blood to personnel of Wuhan blood center at the Rongjiawan toll station in Yueyang, central China's Hunan Province, March 30, 2020. Hunan on Monday donated a new batch of blood to Hubei Province, the 29th since the outbreak of the COVID-19 epidemic in the neighboring province. (Photo by Chen Sihan/Xinhua)
