The World Health Organization is sounding the alarm on the rising number of drug-resistant bacterial infections.

Roundworms, also known as nematodes, are a leading cause of parasitic infection worldwide, causing painful swelling, severe abdominal pain and even blindness. Now, scientists say that viruses carried ...

A tropical parasite might be making its way into more temperate climates: Rats and snails in five Florida counties have tested positive for rat lungworm, a parasitic worm that can cause a rare type of ...

Lately, social media feeds have been crawling with testimonials about “parasite cleanses” and DIY worm detoxes. Many people may be unknowingly infected, influencers on TikTok and Instagram claim, and ...

(Left:) Close-up of the parasites that infected a man after a kidney donation and caused bruising (right) on his stomach. A man who received a donated kidney returned to the hospital 10 weeks after ...