01588nas a2200253 4500000000100000008004100001653000800042653001000050653002500060653003600085100001500121700001400136700001600150700001400166700001500180700001400195700001100209700001200220700001800232245013700250856007600387520085700463022001401320 2019 d10aGIS10aNepal10aSpatial epidemiology10aSoil-transmitted helminth (STH)1 aBaldovin T1 aAmoruso I1 aZangrando D1 aCocchio S1 aMaharjan M1 aLazzari R1 aBuja A1 aBaldo V1 aBertoncello C00aSoil-transmitted helminthiases in Nepal: transmission boundaries and implications for local communities and international travelers. uhttps://www.sciencedirect.com/science/article/abs/pii/S0001706X183162433 a

Soil transmitted helminthiasis (STHs) are endemic in Nepal but since the country territory is extremely heterogeneous, a multidisciplinary assessment is required to evaluate the risk of infection in different areas. Prevalence data were retrieved with systematic literature search and geographical coordinates were assigned to each survey site. Spatial stratification was then implemented considering land use and ecological parameters. STH transmission boundaries were tested after reference criteria and elevation was evaluated as additional predictor: the elevation threshold of 3057 m above sea level is demarking the STH transmission limit. Areas above this threshold are safe, but since lodging in at-risk sites is a compulsory stopover for international travelers, STH risk exposure should be considered for every travel to the country.

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