H5N2 inactivated vaccine effective in preventing bird flu: official

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Last updated at: (Beijing Time) Tuesday, March 16, 2004

H5N2 inactivated vaccine effective in preventing bird flu: official

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China used H5N2 inactivated vaccine to prevent spread of H5N1 strain highly infectious bird flu virus and that has proved to be effective, an official with the Ministry of Agriculture (MOA) said on Tuesday.

Jia Youling, MOA spokesman for highly pathogenic avian influenza (HPAI) control confirmed at a press conference that China reported 49 bird flu cases and killed 9 million poultry in the infected areas since the first one was confirmed in Dingdang Town, Long'an County of southern Guangxi Zhuang Autonomous Region on Jan. 27.

Thanks to compulsory vaccination measures in areas near the infected areas, the bird flu epidemic had been brought under control in China, Jia said.

MOA announced Tuesday morning the ending of isolation in the last two bird flu-hit areas, in Nanning of Guangxi and Lhasa of southwest China's Tibet Autonomous Region.

After five years of efforts, Chinese scientists had developed akind of inactivated vaccine using H5N2 strain virus separated fromgoose in Foshan, south China's Guangdong Province, which was foundcarrying H5N2 strain virus in 1996. They also have made progress in developing H5N1 fowlpox vaccine.

Jia said both kinds of vaccines were expected to play a key role in preventing and controling the spread of bird flu virus in China.

Jia said, lab experiment results showed that 100 percent of poultry vaccinated with the two kinds of vaccines were proved to be strong enough against bird flu virus.

Source: Xinhua

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