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 ...

Dormant viruses lurking in the brain could be activated by a head injury and trigger Alzheimer's, research has suggested. Studies have long warned that concussions and blows to the head may raise the ...

Evidence suggests reactivations of the varicella-zoster virus may accelerate aging and raise dementia risk. Now scientists want to know if vaccines and antivirals could help protect the brain.

Semliki Forest virus was originally isolated from mosquitoes in the Semliki Forest, Uganda, hence the name. Upon systemic infection from mosquito bites, Semliki Forest virus causes mild blood viremia ...