H5N1 Bird Flu Outbreak Reported in Yunnan
CHINA - The Chinese veterinary authorities have reported an outbreak of highly pathogenic avian influenza (HPAI) in Yunnan province in the south of the country at the junction of three villages - Dong, Taijiashan and Wulongtan - involving more than half a million birds.The World Organisation for Animal Health (OIE) received follow-up report no.4 on 7 March. The report states that the causal agent for the outbreak is the HPAI virus, serotype H5N1.
A total of 533,000 birds were involved in the outbreak, of which 29,600 died. The remaining 503,400 birds were destroyed.
On Friday, a haemagglutination inhibition test (HIT), a reverse transcription - polymerase chain reaction (RT-PCR) and a virus isolation test were carried out at the Harbin veterinary research institute, Chinese academy of agricultural sciences. All tests confirmed the presence of the H5N1 HPAI virus.