prevalence of antibodies to trypanosoma cruzi, toxoplasma gondii, encephalitozoon cuniculi, sarcocystis neurona, besnoitia darlingi, and neospora caninum in north american opossums, didelphis virginiana, from southern louisiana.we examined the prevalence of antibodies to zoonotic protozoan parasites ( trypanosoma cruzi, toxoplasma gondii, and encephalitozoon cuniculi) and protozoans of veterinary importance ( neospora caninum, sarcocystis neurona, and besnoitia darlingi) in a population of north american opossums ( didelphis virginiana) from louisiana. samples from 30 opossums were collected as part of a survey for t. cruzi in louisiana. frozen sera from these 30 opossums were examined using an indirect immunofluoresce ...201021158620
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