Soccer fans headed to the World Cup in Brazil this summer risk returning home with dengue fever, a new study in The Lancet Infectious Diseases suggests. Spread by mosquitoes, the tropical disease can cause fever, headaches, and muscle and joint pain, and the chances of catching it are heightened with heavy rainfall and high temperatures. By predicting forecasts for the country’s 12 host cities where matches will be played, researchers have found that the northeast cities Natal, Fortaleza, and Recife should consider a high-alert warning for dengue outbreak.
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