China tested bird flu vaccine in humans

On November 22, Chinese scientists said the bird flu vaccine they prepared was approved by the Chinese Food and Drug Administration and will be tested in humans.

Yin Weidong, general manager of Sinovac Biotech, one of the bird flu vaccine makers, said the first 100 people will be tested for avian flu vaccine after the vaccine is tested safely and effectively in animals including mink, chicken, chicken eggs, monkey cells and mice.

According to Beijing News, the avian flu vaccine was jointly produced by Sinovac Biotech and the Chinese Center for Disease Control and Prevention in 21 months to prevent the H5N1 avian flu virus from spreading. in Asia and some European countries.

The human trials this time aim to test the safety and efficacy of avian influenza vaccines and the appropriateness of vaccines in creating immunity in the shortest time, according to Yin Weidong.

Previously, researchers took the avian influenza virus from the World Health Organization (WHO) and implanted it into embryos in 7-day-old chicken eggs, then ensured that chicken embryos were still developing normally in eggs. before extracting embryos after 3 days of development. "We have prepared 900,000 embryos that are transplanted with bird flu virus," Yin Weidong said.

Similar studies have been conducted in the US, Japan and many other European countries.

Currently, in China there are many outbreaks of avian influenza outbreak. It has also had cases of deaths due to bird flu infection and another case in Hunan province recovered after a period of hospitalization.

T.VY (According to Xinhua)