Flagellate Diseases: Causes, Symptoms, and Treatment

* African trypanosomiasis (also known as sleeping sickness) is a parasitic disease spread by the tsetse fly. It is caused by protozoan parasites of the genus *Trypanosoma brucei*. African trypanosomiasis is fatal if left untreated.

* American trypanosomiasis (also known as Chagas disease) is a parasitic disease spread by kissing bugs. It is caused by the protozoan parasite *Trypanosoma cruzi*. American trypanosomiasis can cause heart failure, arrhythmias, and death.

* Leishmaniasis is a parasitic disease spread by sand flies. It is caused by protozoan parasites of the genus *Leishmania*. Leishmaniasis can cause skin sores, disfigurement, and death.

* Giardiasis is a parasitic disease spread by contaminated food or water. It is caused by the protozoan parasite *Giardia lamblia*. Giardiasis can cause diarrhea, abdominal pain, and dehydration.

* Trichomoniasis is a sexually transmitted disease caused by the protozoan parasite *Trichomonas vaginalis*. Trichomoniasis can cause vaginal itching and irritation, as well as pain during urination.