A study by researchers in Thailand, Japan, and the UK has shown a negative correlation between dengue hemorrhagic fever (DHF) and the density of the Aedes mosquitoes that transmit the virus.
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A team of Bolivian health authorities, U.S. Navy health experts based in Lima, Peru, and the U.S. Centers for Disease Control and Prevention has characterized “Chapare arenavirus,” a previously unrecognized arenavirus, discovered in serum samples from a patient in rural Bolivia who eventually died of the infection. A full report of the study is published April 18th in the open-access journal PLoS Pathogens.
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The Uukuniemi virus helps to explain the infection mechanism of bunyaviruses causing hemorrhagic fevers and encephalitis
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Researchers report discovering the receptor through which a group of life-threatening hemorrhagic fever viruses enter and attack the body's cells, and show that infection can be inhibited by blocking this receptor. The findings, to be published online by the journal Nature on February 7, give a clue to the high lethality of New World arenaviruses, suggest a way of reducing the severity of infection, and point the way toward a sorely needed treatment strategy.
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