Osama Abdel-Hay, secretary general of the Egyptian Medical Syndicate, speaks during an interview with Xinhua in Cairo, Egypt, on Dec. 28, 2020. The China-developed anti-coronavirus vaccine Egypt has received is effective, safe and easier to use, an Egyptian official said. "I am more convinced of the Chinese vaccine, which uses the recognized traditional technology of using killed virus," Osama Abdel-Hay, secretary general of the Egyptian Medical Syndicate, told Xinhua Monday in an interview. (Photo by Mohamed Asad/Xinhua)