Toxoplasma gondii is found in cat feces cat owners can get toxoplasmosis The symptoms are similar to those of flu But for people with low immunity such as pregnant women  it can also be life threatening Statistics show that many British and American pet owners suffer from toxoplasmosis Toxoplasmosis may also cause depression and anxiety by affecting the production of dopamine
Contracting toxoplasmosis may also  exacerbate symptoms of schizophrenia and bipolar disorder
People who do not have cats do not get toxoplasmosis