Doctors didn't know why the woman wasn't getting better after being given medication for anemia and a bacterial stomach ...

Researchers then examined her stool, which revealed the presence of hookworm eggs. Parasitic worms infect up to 480 million people globally, the U.S. Centers for Disease Control explains.

Threadworms aren't the only worms (helminths) that invade humans. Hookworms, for example, affect about 470 million people ...

I'm referring, of course, to hookworms, the blood-feeding parasites ... americanus in the stool of more than a third of people tested in an impoverished community in Lowndes County, Alabama.

Doctors discovered live hookworms in a woman's stomach.

Researchers then examined her stool, which revealed the presence of hookworm eggs. Parasitic worms infect up to 480 million people globally, the U.S. Centers for Disease Control explains. The ...