Epidemiologic investigation of seroprevalence of antibodies to Toxoplasma gondii in cats and rodents.

Objective: To provide an epidemiologic investigation of the seroprevalence of antibodies to Toxoplasma gondii in populations of cats and wild rodents in Rhode Island and to address the possible epidemiologic role of wild rodents in the spread of toxoplasmosis.

Animals: 200 cats and 756 small wild rodents.

Procedure: Serum samples were obtained from 84 cats in animal shelters and 116 cats in veterinary hospitals.