Pentatrichomonas hominis, belonging to the Trichomonadidae, inhabits the digestive tract of several vertebrates such as humans, monkeys, pigs, dogs, cats and rats. This species was originally considered a commensal protozoan of the digestive tract but has subsequently been identified as a potential zoonotic parasite and a causative agent of diarrhea.
Epidemiology:
Fecal contamination of food or water
Clinical Implications:
- Considered harmless, a non-pathogen
- Infected individuals are usually asymptomatic
- May contribute to dysbiosis
- Also colonizes dogs, cats, and other animals
References:
- https://parasitesandvectors.biomedcentral.com/articles/10.1186/s13071-019-3684-4
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