Word: infections
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Bird flu had Europe aflutter last week. The lethal , H5N1 ,mavian flu virus, which has killed 57 of the 112 people it's infected in Asia since the end of 2003 and caused the death or destruction of 150 million poultry there, was found in flocks in Russia and Kazakhstan. Then Finnish authorities said another strain of the virus may have killed a seagull in a northern coastal town. The discoveries fanned fears that it could travel west and infect the European Union's estimated ?22-billion-a-year egg-and-poultry industry, or mutate into a strain that leaps...
...effective way to reduce the risk of wild birds transmitting the virus. The Dutch learned their lesson the hard way two years ago; then a milder virus strain led to the death or destruction of 31 million birds at a cost of more than j780 million. The virus also infected 83 people, most of whom suffered mild symptoms; one veterinarian died. Jan Odink, president of the Association of Dutch Poultry Processing Industries, says Dutch farmers support the policy: "It just takes some droppings from these passing birds to create a risk. And if you're too late, you have...
...Researchers have found that as the fatality rate dropped in northern Vietnam, there has been an increase in the number of cases clustered close together and in the age of those infected?signs that the virus may be finding more efficient ways to infect people, including human-to-human transmission, the principal barrier to a pandemic. The falling death rate could mean that this process of adaptation is accelerating. "In gaining the ability to go from one person to another, a virus may well lose its virulence," says Dr. Jeremy Farrar, director of the Oxford University Clinical Research Unit...
Their study identified cellular enzymes that the Ebola virus needs to reproduce. When these enzymes are blocked, the virus loses most of its ability to infect, according to a news release from the National Institutes of Health...
Cunningham’s interest in the virus evolved from his, and the other researchers’, interest in how retroviruses infect cells, he wrote in an e-mail...