Effect of untreated bed nets on blood-fed Phlebotomus argentipes in kala-azar endemic foci in Nepal and India.
Albert Picado;
Vijay Kumar;
Murari Das;
Ian Burniston;
Lalita Roy;
Rijal Suman;
Diwakar Dinesh;
Marc Coosemans;
Shyam Sundar;
Kesari Shreekant;
+3 more...
Marleen Boelaert;
Clive Davies;
Mary Cameron 
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(2010)
Effect of untreated bed nets on blood-fed Phlebotomus argentipes in kala-azar endemic foci in Nepal and India.
Memorias do Instituto Oswaldo Cruz, 104 (8).
pp. 1183-1186.
ISSN 0074-0276
DOI: 10.1590/s0074-02762009000800018
;
(2010)
Effect of untreated bed nets on blood-fed Phlebotomus argentipes in kala-azar endemic foci in Nepal and India.
Memorias do Instituto Oswaldo Cruz, 104 (8).
pp. 1183-1186.
ISSN 0074-0276
DOI: 10.1590/s0074-02762009000800018
Observational studies in the Indian subcontinent have shown that untreated nets may be protective against visceral leishmaniasis (VL). In this study, we evaluated the effect of untreated nets on the blood feeding rates of Phlebotomus argentipes as well as the human blood index (HBI) in VL endemic villages in India and Nepal. The study had a 'before and after intervention' design in 58 households in six clusters. The use of untreated nets reduced the blood feeding rate by 85% (95% CI 76.5-91.1%) and the HBI by 42.2% (95% CI 11.1-62.5%). These results provide circumstantial evidence that untreated nets may provide some degree of personal protection against sand fly bites.
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