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Article Dengue is fastest-spreading tropical disease, WHO says
GENEVA (Reuters) - Dengue is the world's fastest-spreading
tropical disease and represents a "pandemic threat", infecting
an estimated 50 million people across all continents, the World
Health Organization (WHO) said on Wednesday. Transmitted by the
bite of female mosquitoes, the disease is occurring more widely
due to increased movement of people and goods - including
carrier objects such as bamboo plants and used tyres - as well
as floods linked to climate change, the United Nations agency
said. The viral disease, which affected only a handful of areas
in the 1950s, is now present in more than 125 countries -
significantly more than malar