Hawaii, the U.S. epicenter for the disease, offers a preview of what may come next.

Nearly 850 species of parasites are known to infect people; some, like the potentially deadly plasmodium parasite that causes ...

The CDC describes rat lungworm as a parasite found in rats, whose larvae are shed in rat feces and then taken up by snails ...

A neurological disease spread by rats and other animals may have become established in San Diego County.

It infects nearly one-third of the global population, yet its microscopic size makes the parasite difficult for scientists to study. That parasite is Toxoplasma gondii, a widespread organism that ...

Mike Pearson take a look at the Asian Longhorn Tick spreading rapidly across Missouri, threatening cattle herds.

Male green treefrogs attract mates with loud calls, but new research shows parasites can subtly change those signals.

Social media is a great tool for awareness, but when it comes to medical advice, there may be a lot of misinformation that ...