Seroprevalence of antibodies against Leishmania spp among dogs in the United States.

Objective: To determine seroprevalence of antibodies against Leishmania spp among dogs other than Foxhounds in the United States.

Design: Cross-sectional study.

Sample Population: 957 serum samples from dogs throughout the United States submitted between January 2000 and August 2001 to the Diagnostic Center for Population and Animal Health at Michigan State University for serologic testing for tick-borne diseases.

Cross-sectional study of serum antibodies against Sarcocystis neurona in cats tested for antibodies against Toxoplasma gondii.

Objective: To determine apparent seroprevalence of antibodies against Sarcocystis neurona in a population of domestic cats previously tested for antibodies against Toxoplasma gondii.

Design: Cross-sectional study.

Sample Population: Serum from 196 domestic cats.