A computer, its components, and its related equipment. Hardware includes disk drives, integrated circuits, display screens, cables, modems, speakers, and printers. Compare software.
In people with weakened immune systems, especially those with AIDS, symptoms of toxoplasmosis are often brain-related and severe. Also, if toxoplasmosis affects the eyes of a person with a weakened immune system, there may be blurred vision, spots in the field of vision, eye pain and extreme sensitivity to light.
Definition. 1  Toxoplasmosis is an infectious disease caused by the one-celled protozoan parasite Toxoplasma gondii. Although most individuals do not experience any symptoms, the disease can be very serious, and even fatal, in individuals with weakened immune systems.