Thanks to support from the Ministry of Agriculture and the Ministry of Science and Technology, two avian flu vaccines have been successfully developed by a veterinary research institute in Harbin under the Chinese Academy of Agricultural Sciences. The two vaccines, one for H5N1 sub type, have been examined and approved by a state panel of agricultural experts.

Compared with earlier ones, the H5N1 sub-type vaccine provides a longer period of immunity protection for chickens and more effective protection for waterfowl including duck and goose, experts said.

By People's Daily Online