A red, parasitic worm turned out to be behind the woman's wide array of symptoms. | Credit: Hossain, M., Kennedy, K. J., ...

The interaction between parasites and their hosts can be gruesome: They manipulate, invade and terrorize their unsuspecting hosts, often killing them in the process. From mind-controlling organisms to ...

A human case of the flesh-eating New World Screwworm has been found in the United States in a person who traveled to El Salvador. The parasitic insect is actually a fly that looks similar to a ...

The New World Screwworm (Cochliomyia hominivorax) is reappearing suddenly near U.S. borders, and its return could pose a serious threat to both human and animal health. This fly parasite infests ...

A man suffering from pain and swelling in his genital area was found to have parasitic worms swimming around in his scrotum, and doctors managed to capture them on video. Images of the parasites have ...

The first human case of a deadly, flesh-eating parasite called “new world screwworm” has been detected in the United States, according to the Department of Health and Human Services. According to ...

These flies lay eggs on open wounds, and their larvae feed on live flesh. And a case was just stopped in a Florida quarantine ...

The woman’s mysterious symptoms started in her stomach. Weeks of abdominal pain and diarrhea led to night sweats and a dry cough. Then, doctors found lesions on her lungs, liver and spleen. An ...