WOOD: There isn’t that much impact on what we call the definitive host, the host that’s hosting the adult stage of the tapeworm. Those tentacles actually have a use. What they do when they land in the ...

Here, we report a new species, Sarcocystis pantherophisi n. sp., with the Eastern rat snake (Pantherophis alleghaniensis) as natural definitive host and the interferon gamma gene knockout (KO) mouse ...

Parasites. Cause of terrible diseases. Big on the yuck-factor. It’s easy to think of them as doing no good. “The public perception … when you use the word ‘parasite’ is that it’s bad,” says Nico Smit.