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Toxoplasmosis
Epidemiology
  • Distribution is worldwide except in extremely cold and dry areas
  • Distribution is dependent on cats, the only final host
  • Infection in humans is common and permanent
  • Humans are infected by the ingestion of cysts (undercooked or raw meat) or by ingestion of oocysts (soil contaminated with cat faeces eaten by children)
  • No person-to-person transmission (except in utero)