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Dengue fever threat to World Cup fans in Brazil

10 May 2014 Last updated at 08:30 BST

Fans heading to Brazil for the World Cup may need to guard against dengue fever - a disease carried by mosquitoes for which there is no vaccine.

Most regions of Brazil will be low risk for the disease, but some experts say the tournament may coincide with a spike in cases in the north east of the country.

Ben Tavener reports from Natal.

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