There’s a virus you may have never heard of before that is estimated to infect up to 90 percent of people and lurks quietly ...

Mosquitoes in the Town of Sullivan, Madison County, have tested positive for the Jamestown Canyon encephalitis virus, and residents are advised to take precautions to avoid mosquito bites and prevent ...

Progressive multifocal leukoencephalopathy (PML) is a rare but serious brain infection. It gradually destroys brain tissue and often leads to death within a few weeks. It is triggered by human ...

Progressive multifocal leukoencephalopathy (PML) is a rare but serious brain infection. It gradually destroys brain tissue and often leads to death within a few weeks. It is caused by the human ...

Mosquito samples in 12 different Connecticut towns have turned up positive samples for a rare but potentially serious virus, according to the Connecticut Agricultural Experiment Station. The Jamestown ...