Viscerální leishmanióza v Etiopii: přenos a variabilita

Gelaglie, Aysheshm Kassahun

Leishmaniasis, a protozoan infection caused by Leishmania parasites is a neglected disease affecting millions across the world. It is exhibited by diverse clinical presentations that broadly classified as visceral (VL) and cutaneous (CL) leishmaniasis. Both CL and VL are endemic to Ethiopia, which the later is generally considered as fatal, if left untreated. Leishmania donovani is the sole agent of Ethiopian human VL. In Africa, the worst VL affected regions are found in Sudan and Ethiopia. VL is considered as an endemic and at the same time emerging disease in north, northwest, south and southwest with sporadic cases in Eastern Ethiopia. The epidemiology is more or less associated with seasonal migration to endemic areas and HIV/AIDS. The transmission of CL in Ethiopia is known to involve zoonotic cycle while VL transmission isn't clearly understood despite traditional generalization of anthroponosis in East African platform. The aim of this dissertation is to determine VL transmission cycle and study variability L. donovani and P. orientalis in Ethiopia. Studies on human and non-human hosts were conducted to determine the transmission dynamics. To assess the role of symptomatic and asymptomatic L. donovani infected persons in the epidemiology of VL, a community based cohort was conducted. As the...

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