If you've handled cat litter or eaten raw meat or unwashed produce, there’s a chance you might have a permanent toxoplasmosis ...

California fish carry human-infecting parasites that can cause stroke or heart attack, researchers find - Some of the fish ...

The parasites are called trematodes. Two species of the flatworms were discovered in California’s freshwater fish, according ...

The parasite carried by rats and transmitted by snails poses a growing risk to dogs, and possibly people, after heavy rain.

Genetic research from Texas Biomed shows human and cattle schistosome parasites are not currently interbreeding, easing ...

More than 90% of popular freshwater game fish in Southern California contained an introduced parasite capable of infecting ...

The illness is caused by a parasite, which makes it different from many well-known tick-borne diseases, such as Lyme.

Testicular toxoplasmosis shows that parasites can invade human testes, but symptomatic disease is very rare. Studies to date that show defects in the sperm of infected men are too small to draw ...