The parasite that may already live in your brain can infect the very immune cells trying to destroy it, but new UVA Health ...

A microscopic parasite that can live for decades in the human brain infects an estimated one-third of the world's population ...

For example, a pack of endangered wolves moved to Yellowstone National Park died because the wolves had no immunity to parasites carried by the local canines. The researchers say that stocking rivers ...

A virus is a sneaky little bugger whose goal is to get inside your body. When it does enter your body it finds a normal cell to infect. Once it’s inside the cell, the virus will create newly copied ...

Zoonotic diseases are infectious diseases transmitted from animals to humans, such as rabies virus, avian influenza, and Ebola virus disease. Over 60% of all infectious diseases in humans are zoonotic ...

This form of immunity is non discriminatory; it is not directed against specific pathogens, but just about anything that enters the body that is foreign. Vertebrates have another more sophisticated ...