A recovered coronavirus patient donates plasma in Zhangjiakou, north China's Hebei Province, Feb. 21, 2020. Four recovered patients of coronavirus infection donated plasma in Hebei Province on Friday. (Photo by Wu Diansen/Xinhua)
Recovered patients of coronavirus infection donate plasma in Hebei
Source: Xinhua| 2020-02-21 21:33:07|Editor: huaxia
