Toxoplasmosis in cats raises both human health concerns and cat welfare considerations, with responsible management benefiting both cats and their owners.
The toxoplasmosis-cats relationship creates welfare concerns in both directions. Cats themselves can suffer from severe toxoplasmosis, particularly if immunocompromised. However, a significant welfare harm occurs when cats are unnecessarily abandoned or rehomed by people who overestimate the risk of human transmission from pet cats. Indoor cats with no hunting or raw meat exposure have negligible toxoplasma risk. When cat welfare organizations must explain that rehoming a cat rarely reduces toxoplasma risk (since environmental contamination persists), the preventable nature of these welfare harms becomes clear.