Three vaccine candidates approved for trials

BEIJING: China has approved three Covid-19 vaccine candidates for clinical trials, said an official with the Ministry of Science and Technology (MOST).

An adenovirus vector vaccine, developed by a research team led by Chen Wei, an academician with the Chinese Academy of Engineering and a researcher at the Institute of Military Medicine under the Academy of Military Sciences, was the first to be approved for clinical trials, said Wu Yuanbin, director-general of science and technology for social development with MOST, at a press conference on Tuesday.