Toxoplasmosis is caused by a parasite that may be present in cat feces or in undercooked meats. While toxoplasmosis rarely causes any symptoms more severe than flu in adults, a pregnant mother infected during or just before pregnancy can pass on the infection and endanger her unborn child. “These newborns often have eye infections, an enlarged liver and spleen, jaundice (yellowing of the skin and eyes), and pneumonia. Some die within a few days of birth. Those who survive can have mental retardation, severely impaired eyesight, cerebral palsy, seizures and other problems.” (from CERHR).
Read more below: