Cuba has announced positive and promising results for a number of separate COVID-19 vaccines it is currently developing, but U.S. sanctions against the small island nation are hampering the development and rollout of the potentially life-saving treatments. Two candidates, named Sovereign 1 and Sovereign 2, have generated antibodies blocking
古巴可能正处于革命性COVID疫苗的边缘,但美国的制裁使它放慢了脚步
古巴已经是一个医疗强国,如果它能够成功地穿越美国制裁的雷区,它将为拉丁美洲的大部分地区提供COVID疫苗。