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  • Title: Forty years (1980-2019) of visceral leishmaniasis in Nepal: trends and elimination challenges.
    Author: Pandey K, Dumre SP, Shah Y, Acharya BK, Khanal L, Pyakurel UR, Kaneko O, Pandey BD.
    Journal: Trans R Soc Trop Med Hyg; 2023 Jun 02; 117(6):460-469. PubMed ID: 36715092.
    Abstract:
    BACKGROUND: Visceral leishmaniasis (VL) is an important re-emerging neglected tropical disease associated with poverty. Despite the elimination initiative started in 2005, VL cases have been expanding into geographic areas in Nepal. The present study aims at exploring the trends of VL from 1980 to 2019. METHODS: This retrospective analysis covers 40 y of VL cases reported by the Epidemiology Diseases Control Division, Nepal. Subgroup analyses for annual incidence were performed by age, sex, seasons, districts and provinces, and VL cases were visualized on in-country maps. RESULTS: A total of 34 564 cases and 584 deaths of VL were reported during 1980-2019. VL persistently increased until 2006 and was reported from all seven provinces of the country. The highest number of confirmed cases (n=2229) was reported in 2003 and the lowest (n=60) in 1983. VL cases expanded from 12 to 23 endemic districts. The key components of the VL elimination program are early diagnosis; enhanced surveillance; integrated vector management; social mobilization; research and treatment. CONCLUSIONS: Expansion of VL towards the hilly and mountain regions of Nepal has posed challenges to the elimination program. Urgent VL control measures are required to achieve the elimination goals.
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