The New World screwworm is getting dangerously close to the U.S., public health officials warn. If left untreated, a ...

Parasites are organisms that feed off their hosts for survival. Such parasitic creatures can cause mild to serious symptoms and, in some cases, fatal infections in their hosts. “Overall, parasites ...

Most mammals produce their own vitamin C using an enzyme called GULO. Around 60 million years ago, humans lost this ability, ...

Entamoeba histolytica (green) attacking human T cells. A new paper by UC Davis researchers lays out a strategy for investigating how this parasite can hide from the human immune system while attacking ...

Parasites are organisms that survive by feeding on humans and other hosts, often causing mild to severe health problems. They can enter the body in multiple ways, including consuming contaminated food ...

It’s Halloween season, the liminal period when the general public seems to have a greater tolerance for stomach-churning content, so let’s talk about parasites, perhaps the most disgusting — and ...

A common parasite expands across species by abandoning sex, boosting short-term spread while risking long-term collapse.

Sneaky parasite evades the human immune system by stripping cells and wearing them as a disguise Parasites are known to infect human cells through a variety of ingenious mechanisms. Many of them have ...

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 ...