Mystery virus hits central Puerto Rico
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More than 200 children and adults have fallen ill with a mystery virus in central Puerto Rico, forcing officials to close down a local school, officials said Friday.
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Malaysia has detected a new outbreak of bird flu in a village in northeast Kelantan state, the sixth to be hit by the deadly virus in a month, officials have announced.
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A health alert is declared in Brazil, Paraguay and Bolivia after an outbreak of dengue fever.
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Spanish state radio said on Friday the  country&#039;s first case of H5N1 bird flu had been confirmed in a  great crested grebe in the city of Vitoria but officials said  test results were still not available.
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most likely a norovirus like those that commonly sicken people in hospitals and nursing homes and on cruise ships -- infected 15
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A computer virus posing as an electronic Christmas card is spreading across the net in many languages.
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Health officials in New York City reveal a new highly drug-resistant strain of HIV in  a local resident.
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A 39-year-old Douglas County resident has the flu. The Douglas County Health Department ran confirmation tests on cultures Tuesday.
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Spanish police said on Saturday they have arrested a 28-year-old man on suspicion of creating and spreading a virus that affected more than 115,000 high-end mobile phones.
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A new device can quickly detect 92 different viruses, including several strains of the feared H5N1 avian flu virus or other emerging new infections, U.S. researchers reported on Tuesday.
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Spain has recorded its first case of H5N1 bird flu, the Agriculture Ministry said Friday. The deadly strain was found in a water fowl in a marsh area outside the northern city of Vitoria.
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Contaminated wells may be the source of  the mystery illness that has stricken more than 1,000 visitors  to an Ohio island getaway in Lake Erie, authorities said on  Friday.
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WASHINGTON, Jan 8 (Reuters Life!) - Dengue fever -- a tropical infection that usually causes flu-like illness -- may be poised to spread across the United States and urgent study is needed, health officials said on Tuesday.
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Health experts had identified a mystery illness that has infected 34 children in a Hong Kong hospital as a common respiratory virus, the government said Friday.
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HONG KONG - Health authorities are investigating the outbreak of a mysterious respiratory illness in a children&#39;s hospital, where at least 30 young patients have been infected, reported Channel NewsAsia.
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West Nile virus appears to have claimed its first human victim this year in Fairfax County (website - news) . Health officials say an elderly man in the Mount Vernon section of the county is the first probable case of the year.
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New questions arose on Friday about a cluster of deaths believed to be from a rare brain disease in a single county in upstate New York when tests