Only some communities maintain screening tests for pregnant women due to the lack of data on the real incidence of the disease. Toxoplasma gondii is a protozoan so widespread throughout the world that one in three inhabitants of the planet is parasitized at some point in life by it.
The infection, toxoplasmosis, is almost always very mild and those affected do not even think that the slight discomfort and fatigue they suffer may have an external cause. With two exceptions: immunocompromised people and pregnant women.