Prevalence of Strongyloides stercoralis and other helminths in four districts of Madagascar
Tropical Medicine and Health(2024)
摘要
Estimation of prevalence of Strongyloides stercoralis infection is required in endemic areas, in order to identify areas in need of control programmes. Data on prevalence of strongyloidiasis in Madagascar are scant. Aim of this work was to estimate prevalence of S. stercoralis in four districts of Madagascar. Fecal and serum samples collected in the context of a previous study on schistosomiasis were tested with S. stercoralis real-time PCR and serology, respectively. A multiplex real-time PCR for Ascaris lumbricoides, Ancylostoma duodenalis, Necator americanus, and Trichuris trichiura was done on fecal samples collected in the areas demonstrating higher prevalence of strongyloidiasis. Comparisons between proportions were made using Fisher exact test, with false discovery rate correction used for post-hoc comparisons. A multivariable Firth logistic regression model was used to assess potential risk factors for S. stercoralis infection. Overall, 1775 serum samples were tested, of which 102 of 487 (20.9
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关键词
Strongyloides stercoralis,Strongyloidiasis,Helminth,Prevalence study,Madagascar,Ascaris lumbricoides,Hookworm,Trichuris trichiura,Necator americanus,Ancylostoma duodenale
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