Since it first appeared in Hong Kong in 1997, the H5N1 avian flu virus has been slowly evolving into a pathogen better equipped to infect humans. The final form of the virus, biomedical researchers fear, will be a highly pathogenic strain of influenza that spreads easily among humans.PLoS Pathogens
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In the nearly nine months since the first human case of bird flu was detected in the United States, the virus has continued to spread. The outbreak infected hundreds of herds and millions of birds before it spread to humans. As of Jan. 6, there have been 66 human ...
Five new human cases of H5N1 bird flu have been detected in California. Oregon’s first known human case has been confirmed. Authorities say all cases were transmitted from animals to humans; there is no evidence of human-to-human transmission. ...
Chemotherapy for an immune system disorder might also be effective in treating people infected with the H5N1 strain of bird flu, scientists suggest. With bird flu's 50% mortality rate in humans, the possibility of resistance to antiviral treatments, no d
“The more widely the virus circulates, particularly infections in humans and other mammals, the higher the risk that the virus will acquire mutations that adapt the virus for human disease and transmission,”James Lawler, director of the University of Neb...
Six dairy herds in Nevada have tested positive for a newer variant of the H5N1 bird flu virus that’s been associated with severe infections in humans, according to the Nevada Department of Agriculture. Scientists say these infections with a different type of virus mark an inflection point in ...
The CDCreportedin late December that a genetic analysis of the virus that infected the Louisiana patient found changes expected to enhance its ability to infect the upper airways of humans and help it to spread more easily from person to person. Those same changes were not seen in the birds ...
Blood testing of large-animal veterinarians suggests that H5N1 bird flu has spread more widely than US surveillance of the virus is capturing, according to a new study by federal and state disease detectives. Related articleBird flu variant found in Nevada cows shows signs of adaptation to mammal...
根据空前“The symptoms in humans are similar to those of other types of flu: a temperature, cough, headache, chills, aching muscles and a runny or blocked nose and sneezing.(人类的感染症状与其他类型流感的症状相似:发烧、咳嗽、头痛、发冷、肌肉酸痛、流鼻涕或鼻塞以及打喷嚏。)”讲人类感染此病毒后...