Scientists warn of dengue fever risk during Brazil's World Cup

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Scientists warn of dengue fever risk during Brazil's World Cup

<p><a href="http://news.yahoo.com/scientists-warn-dengue-fever-risk-during-brazils-world-230808689--sow.html"><img src="http://l.yimg.com/bt/api/res/1.2/0BFD.6e1mPzdxF_4f7yHfA--/YXBwaWQ9eW5ld3M7Zmk9ZmlsbDtoPTg2O3E9NzU7dz0xMzA-/http://media.zenfs.com/en_us/News/Reuters/2014-05-16T232009Z_1_LYNXMPEA4F0OC_RTROPTP_2_BRAZIL-WORLDCUP.JPG" width="130" height="86" alt="Boys play a Sunday &quot;pelada&quot; soccer match on a street closed to traffic for the day in Sao Paulo" align="left" title="Boys play a Sunday &quot;pelada&quot; soccer match on a street closed to traffic for the day in Sao Paulo" border="0" /></a>The risk of an outbreak of dengue fever during the upcoming soccer World Cup in Brazil is serious enough to warrant a high alert in three of the 12 host cities, according to an early warning system for the disease. Scientists who developed the system said the overall threat of the disease during the month-long competition was low, but they warned that the northeastern venues of Natal, Fortaleza and Recifethere faced a serious risk. Dengue, sometimes called breakbone fever because of the severe pain it can cause, is a viral infection transmitted by a type of mosquito called Aedes aegypti. Brazil has more cases of dengue fever than anywhere else in the world.</p><br clear="all"/>

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