What are seropositivity rates of toxoplasmosis in the US?

Updated: Mar 08, 2019
  • Author: Murat Hökelek, MD, PhD; Chief Editor: Michael Stuart Bronze, MD  more...
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Answer

Seropositivity rates in the United States have been reported to be between 10% and 15%, although sources vary, and higher infection rates have been estimated. [4, 5] In general, the incidence of the infection varies by population group and geographic locale. For example, the cultural habits of a population may affect the acquisition of T gondii infection from ingested tissue cysts in undercooked or uncooked meat.


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