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While most Americans probably haven't heard of Chikungunya, Ann Powers, a research microbiologist at the Centers for Disease Control, has been studying…
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It's called chikungunya. And it causes severe joint pain that can last for months. A quarter of a million people have caught the virus in the Caribbean. So how big a problem will it be stateside?
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After making its debut in the Western Hemisphere recently, the nasty, mosquito-borne illness has now sickened 10 people on St. Martin. Mosquitoes on the island appear to be spreading the virus, which causes a high fever and severe joint pain.
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After being a problem in Africa and southern Asia for decades, chikungunya has made its way to the Caribbean. The mosquito-borne illness attacks the joints, causes fever, headaches and arthritis symptoms. There are no vaccines and treatments for the virus.
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Dengue fever has returned to Iquitos, Peru. Researchers are studying the disease's migration by tracking mosquitoes and taking health surveys of the community. They're hoping the city-size experiment will help them understand what works best to stop the disease from spreading.