China issued a bird flu alert on Wednesday after a woman died of the virus, the first such death in the country in almost a year, and closed poultry markets for disinfecting in a province surrounding Beijing. The World Health Organisation said the woman's death, China's 21st to date, appeared to be an isolated case.
The 19-year-old died of the H5N1 virus after gutting nine ducks, which experts say highlights the role and risks of waterfowl in the transmission of the virus to humans. In Yanjiao in Hebei province, where the dead woman had bought the ducks, poultry markets were closed and the sale of live birds stopped as workers in masks and white coats sprayed disinfectant.
Tests on 15 people who worked in the poultry market were negative. Over 100 people had also been in close contact with the patient, and one nurse who treated her had come down with a fever but had now recovered, the official Xinhua agency said. "We are concerned by any case of human H5N1 infection, however, this single case, which appears to have occurred during the slaughtering and preparation of poultry, does not change our risk assessment," the WHO said in a statement.
"WHO expects the ministry will continue to keep it updated on this case, and is prepared to offer technical assistance if requested," it added, referring to the Health Ministry. The virus is generally more active during the cooler months between October and March, although the new Chinese case points to holes in surveillance of the virus in poultry.
Chinese Health Ministry spokesman Mao Qunan was quoted in state media as saying the government would step up monitoring. "This year we must, on the basis of what we have done in the past, increase monitoring for the transmission of the highly pathogenic bird flu virus in humans," Mao said.
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