Word: viruses
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...south, Hunan in the center and Shandong in the east. "From a disease-control perspective, the increase in cases in China is notable, as is the wide geographic spread," says Dr. Hans Troedsson, the World Health Organization's representative in China. There is still no evidence that the virus has mutated to spread easily between humans, he says. But while such a nightmare scenario, which could set off a global flu pandemic that could kill millions, has shown no signs of being an immediate threat, serious concerns remain. "The fact that this is the highest number for a single month...
...thing is certain about avian influenza: it's deadly. All three people who contracted the H5N1 strain of the virus in China last year died. In the first six weeks of 2009, eight people have come down with bird flu, and five have died. Another thing is that while the disease has yet to go pandemic, as many doctors fear it could, it remains worrisomely persistent. Every year since 2003, about 100 people in Asia, the Middle East and Africa contract the disease. Last year, in a rare exception, the number dropped below...
...authorities in the far-Western region of Xinjiang culled more than 13,000 chickens in the city of Hotan after 519 died in a bird-flu outbreak. But until this week, China had reported no widespread outbreaks of the virus among bird populations, prompting concerns among some public-health experts that mainland health and veterinary authorities could be missing - or even concealing - the spread of the disease through poultry and wild birds. Hong Kong, where the first human cases of H5N1 infection were found in 1997, reported finding a dozen birds with the deadly strain of the virus earlier this...
...human deaths in China, plus new outbreaks among poultry in neighboring Vietnam and northeast India, indicate the likelihood of a firm presence of the virus on the mainland. Some experts worry that China could be missing the disease's deadly progression. Last week Dr. Lo Wing-Lok, an adviser to the Hong Kong government on communicable diseases, said the mainland had not been forthright about the spread of bird flu in poultry. "There's no doubt of an outbreak of bird flu in China, though the government hasn't admitted it," he told Bloomberg. Yu Kangzhen, the Ministry of Agriculture...
...mainland investigators are missing the virus, it may be because efforts to block it are inadvertently hiding it. China developed an avian-influenza vaccine for poultry in 2005 and inoculates millions of birds annually. But not everyone agrees it's a panacea. In 2005 Robert Webster, an influenza expert at St. Jude Children's Research Hospital in Memphis, Tenn., suggested that China may have been using substandard vaccines that stopped symptoms of bird flu in poultry but allowed the virus to continue to spread. Recently, Guangzhou-based expert Zhong Nanshan also said there is a danger that China's widespread...