Mosquito-borne viruses are causing problems in New York and Massachusetts.

Eastern equine encephalitis has been confirmed in found in mosquitoes in Halifax, Massachusetts

New York State has recorded its first death from the mosquito-borne West Nile virus.

The Nassau County Health Department said Wednesday a 75-year-old man died from the disease Monday after getting infected on Aug. 5. The victim suffered fever and extreme weakness before dying

A 72-year-old woman has become the first person to die this year of the West Nile virus in California, the California State Department of Public Health announced on Monday.

The woman from Orange County died from complications associated with the fatal flu-like illness spread by mosquitoes. Her death came after health officials warned that the risk of contracting West Nile virus from mosquito bites is the highest in four years

An alternative chemical has been discovered by a research team from Florida that appears to be more powerful and more effective than diethyl-3-methylbenzamide.

More known as DEET, the chemical has been in use since the 1950s as an insect repellent. DEET normally provides up to four hours of protection

There was good news in Asia Friday on World Malaria Day 2008 because Sri Lanka, once one of the nations in the region with the worst malaria rate, has nearly eradicated the disease.

Rabindra Abeyasinghe, acting director of the government's anti-malaria campaign, told U.N. humanitarian news agency IRIN, that the country would have had an easier time fighting the disease if it had been able to move about freely in the northern areas of the country that are controlled by Tamil Tiger separatists