Balantidium coli, the sole ciliated protozoan known to infect humans, is predominantly a parasite of swine but also affects a range of domestic and wild animals including camels, cattle and non-human ...

Toxoplasmosis is prevalent worldwide, caused by Toxoplasma gondii, an obligate intracellular pathogenic protozoan. Cats are the definitive hosts of T. gondii, while warm-blooded animals, including ...

TORONTO (CTV Network) — Scientists think they may have pinpointed the cause of a mysterious outbreak of liver disease that affected children worldwide last year. In a study published Thursday in the ...

Prehistoric cold viruses are hard to find in the historical record, but scientists have unearthed some evidence in ancient human teeth. When you purchase through links on our site, we may earn an ...