Five vaccines are in final stage human trials in Pakistan, UAE, Brazil: China NHC.

BEIJING -- The China's National Health Commission has said that fifteen vaccines utilizing five different technologies are under clinical trials in China. Five are in final stage human trials in countries like the UAE, Brazil and Pakistan.

"After stringent monitoring and observation, no serious adverse event has occurred. About 60 thousand recipients went to high-risk areas abroad for work, so far serious infections have not been reported," Zheng Zhongwei, Director, Medical Sci and Tech Development Center, NHC said in an interview.

With these results, the country is planning to vaccinate larger groups this winter.

Priority will be given to workers in cold chain logistics, customs, seafood markets, public transportation, disease control areas, and those who go to high-risk areas.

When vaccines are approved for the larger market, and more vaccines become available, they'll be rolled out for the general public. But people are still being told to wear masks after injection, according to China Global Television Network (CGTN).

Zeng Yixin, deputy director, NHC, said, "It's hard to say how long it'll remain effective. But there is some information already, in clinical trials started this March. We have seen a constant presence of antibodies in the vaccine volunteers. Many medical institutes have also been monitoring recovered COVID-19 patients, and found antibodies can be present for as long as ten months. This evidence has shown that China's COVID-19...