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Steer with bovine trypanosomiasis Cachectic dog infested with T. congolense after travel in West Africa. Animal trypanosomiasis, also known as nagana and nagana pest, or sleeping sickness, is a disease of vertebrates. The disease is caused by trypanosomes of several species in the genus Trypanosoma such as T. brucei.
Human infectious diseases may be characterized by their case fatality rate (CFR), the proportion of people diagnosed with a disease who die from it (cf. mortality rate).It should not be confused with the infection fatality rate (IFR), the estimated proportion of people infected by a disease-causing agent, including asymptomatic and undiagnosed infections, who die from the disease.
Chagas disease, also known as American trypanosomiasis, is a tropical parasitic disease caused by Trypanosoma cruzi.It is spread mostly by insects in the subfamily Triatominae, known as "kissing bugs".
Trypanosomiasis or trypanosomosis is the name of several diseases in vertebrates caused by parasitic protozoan trypanosomes of the genus Trypanosoma. In humans this includes African trypanosomiasis and Chagas disease. A number of other diseases occur in other animals.
African trypanosomiasis symptoms occur in two stages: the hemolymphatic stage and the neurological stage (the latter being characterised by parasitic invasion of the central nervous system). [9] [10] Neurological symptoms occur in addition to the initial features, and the two stages may be difficult to distinguish based on clinical features ...
T. brucei rhodesiense which causes fast onset acute trypanosomiasis in humans. A highly zoonotic parasite, it is prevalent in southern and eastern Africa, where game animals and livestock are thought to be the primary reservoir. [45] [48] T. brucei brucei which causes animal trypanosomiasis, along with several other species of Trypanosoma. T. b.
Main article: Human parasite Endoparasites Protozoan organisms Common name of organism or disease Latin name (sorted) Body parts affected Diagnostic specimen Prevalence Source/Transmission (Reservoir/Vector) Granulomatous amoebic encephalitis and Acanthamoeba keratitis (eye infection) Acanthamoeba spp. eye, brain, skin culture worldwide contact lenses cleaned with contaminated tap water ...
Chagas disease (American trypanosomiasis) 1975 Trypanosoma cruzi protozoa: Triatominae kissing bugs South America 6.2 million (2017) 7,900 (2017) fever, swollen lymph nodes, headache heart failure, enlarged esophagus, enlarged colon: African trypanosomiasis (sleeping sickness) 1975 Trypanosoma brucei gambiense and T. b. rhodesiense protozoa