Sleeping sickness is an African illness and is characterized by uncontrollable sleep. It is evoked by a parasite trypanosome and is considered endemic and infectious. Blood and tissue fluids are the major places of trypanosome living; but T. cruzi live inside cells. Tsetse fly is a cause of an African sleeping sickness as it transmits [...]

The condition of toxoplasmosis is evoked by the parasite Toxoplasma gondii. The first organ that is affected first is the intestines; the lymph nodes go next. The latter have a tendency to swell and become tender. The whole condition is accompanied by fever, headaches, muscle pain, and anemia. Another severe consequence of toxoplasmosis is eye [...]

Roundworms represent thread-like parasitic invertebrate worms belonging to the group Nematoda and known for causing infections of the digestive tracts in people. Their bodies are unsegmented and pointed at the ends. They are generally microscopic and invisible to the naked eye; but some of them are. There are the following main types of roundworms: pinworm, [...]