A woman developed an array of symptoms shortly after returning from a vacation, and parasites turned out to be the culprit.

If you find a tick on your dog, you may wonder if it is dangerous. Let's look at the Asian longhorned tick and what it can mean for your pup.

Researchers have uncovered a previously unknown mechanism that regulates the immune response against parasites. During a parasitic infection, specific immune cells, known as virtual memory T cells ...

Her symptoms began after visiting Thailand, Japan and Hawaii, where she ate sushi and salad and swam in the ocean ...