new bird flu in china
Site searchConnect with usMain Main menu CARACTERISTIC NEWS Avian flu spreads to the center of ChinaJan 30, 2004 (CIDRAP News) – The highly pathogenic avian flu has appeared in flocks of poultry in two provinces of central China, far from the province of the south where the first outbreak of the country was reported 3 days ago, Chinese and international health officials said today. The outbreaks were confirmed in Hubei and Hunan provinces, according to Xinhua, the state news agency of China and the World Health Organization (WHO). In addition, outbreaks are suspected in the provinces of Anhui and Shanghai in eastern China and in the province of Guangdong in the south, officials said. China's first confirmed outbreak of avian flu A(H5N1) was reported on January 27 at a duck farm in the province of Guanxi, near the Vietnamese border in southern China. Xinhua said the infected and potentially infected herds were being slaughtered and the farms quarantined. "The epidemic situation in these areas is under control and no human infections have been found," the agency said. WHO said Chinese laboratories were testing bird samples from suspected broth sites. Yesterday the State Council of China, or Cabinet, decided to establish a national command centre to combat avian flu, according to the daily China Daily. Vice Premier Hui Liangyu was appointed to head the centre. The human case count confirmed by WHO was still 11, including three in Thailand and eight in Vietnam. Two patients in Thailand and six in Vietnam have died of the disease. Meanwhile, the virus has spread in more than a third of Thailand, according to a Reuters report today. A new outbreak in the province of Phang Nga was the first in southern Thailand, the story said. In Vietnam, the disease has infected birds in 34 provinces and has triggered the destruction of 7 million birds, according to the Vietnam News Agency. Today, WHO recommended seasonal flu vaccines for people who may be exposed to the H5N1 virus, including poultry farmers, those involved in the culinary of birds, and health workers who care for people known to have avian flu. This year's flu vaccine will not protect people from the H5N1 virus, but will reduce the risk of co-infection with human viruses and avians and viral mixture that could produce a new dangerous strain, the agency said. Health experts fear that these infections can produce a strain that could easily spread from person to person, potentially causing a pandemic like that of 1918, 1957 and 1968. "The pandemic viruses of 1957 and 1968 were rearranged from human subtypes and avians of the A flu," said WHO. But the agency did not recommend massive vaccination of people in the affected areas. In other events, the Indonesian government has changed its direction and called for a "selective neck" of all chickens infected with the avian flu, according to a report in the Jakarta Post. The government had previously said that it would leave culinary decisions to poultry farmers. But veterinary experts in Indonesia said that only a massive massacre of all chickens would be enough to avoid an uncontrollable outbreak, according to the report. In another place, a polemic about the origins of the current crisis emerged yesterday when New Scientist magazine published a report suggesting that the H5N1 outbreak began as early as the first half of 2003, probably in China. Chinese officials quickly denied the suggestion, and WHO said there was little evidence to tell where the current outbreaks began. After the outbreak of H5N1 in Hong Kong, which killed 6 people, the Chinese producers of poultry began to vaccinate herds with inactivated H5N1 viruses, according to the report of the magazine. If the vaccine did not match the virus closely, this could have allowed the virus to replicate without causing symptoms, which could have allowed it to spread without being noticed, the article said. WHO flu expert Klaus Stohr told the journal that it seems that all current H5N1 outbreaks were derived from the widespread distribution of the same strain. According to the story, Stohr said that some samples taken in early 2003 match the current strain. I wouldn't say where the samples came from, but the information from other experts (who have no name) suggests it was China, the report said. Xinhua published an article that rejects the theory. Li Kangran, professor at Guangxi University, said: "The facts indicate that vaccination could not be the reason for avian flu in Guanxi." He said the inactivated H5N1 virus can survive in cells but is too weak to spread to other cells. WHO, in a statement yesterday, said that the H5N1 viruses recently taken from humans and birds are being compared to the viruses obtained from birds several months ago. "The results indicate that the virus that is now causing serious diseases in poultry and some humans have been circulating in parts of Asia for longer than is initially presumed," the agency said. "The available evidence of these studies is not enough to support any speculation about the geographical origins of the current outbreaks of the H5N1 avian flu. "See also:WHO Jan 30 release on new outbreaks of poultry in ChinaWHO Guidelines on the use of flu vaccines in people at risk for H5N1 fluJan 29 WHO update research on origins of current outbreaksNewsletter Sign-upGet CIDRAP news and other free newsletters. 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