Infections with parasites often entail no recognizable signs in many wildlife species, but can still have negative effects ...

The parasites known to cause babesiosis are shown here infecting red blood cells under the microscope. (Image credit: Smith Collection/Gado / Contributor via Getty Images) Typical symptoms of ...

Malaria parasites undergo an extensive metamorphosis after invasion of erythrocytes. This induces an increase in the surface ...

A parasitic infection transmitted to humans by cats affects billions of people and can alter their behavior. New research ...

The body’s immune system is constantly fighting a war against pathogens such as viruses, bacteria and even parasites.

The immune system is very good and "wins" most of the time, but you are quite right that symptoms like a low-grade fever, ...

Data on US states with the highest infection rates for heartworm, Lyme disease, anaplasmosis, and ehrlichiosis is presented.

An alarming number of pet owners confessed to neglecting worming treatments for their pets because they haven't seen any ...