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 ...

Distinguishing between self and non-self is a critical ability of the immune system. Some pathogens have evolved proteins that resemble those of their host, a mechanism called molecular mimicry, in an ...