TEHRAN (Tasnim) – Chinese researchers have started a second phase human trial of a possible coronavirus vaccine, the Institute of Medical Biology at Chinese Academy of Medical Sciences (IMBCAMS) said Sunday, in efforts to further assess effectiveness and safety.

About a dozen vaccines are in different stages of human tests globally, as the World Health Organization warns the coronavirus pandemic is accelerating and “the world is in a new and dangerous phase”.

However, none of the vaccine trials have passed large-scale, late-stage phase three clinical trials, a necessary step before getting regulatory approval for sale.

Full story: tasnimnews.com

Tasnim News Agency