Street dog Molly battled painful mange in Bali, but thanks to local rescuers and treatment, she’s now healing, happy, and ...

Known to science as Dermatobia hominis, the human botfly can be found across Central and South America. A reasonably common ...

Head lice, fleas and tapeworms have been humanity’s companions throughout our evolutionary history. Yet, the greatest ...

The U.S. has closed its southern border again to livestock imports, saying that a flesh-eating parasite has moved further ...

Every summer across the nation, lake lovers have to contend with swimmers’ itch—an annoying rash caused by parasites in warm ...