Characteristics of Latrines in Central Tanzania and Their Relation to Fly Catches

Abstract

The disposal of human excreta in latrines is an important step in reducing the transmission of diarrhoeal diseases. However, in latrines, flies can access the latrine contents and serve as a mechanical transmitter of diarrhoeal pathogens. Furthermore, the latrine contents can be used as a breeding site for flies, which may further contribute to disease transmission. Latrines do not all produce flies, and there are some which produce only a few, while others can produce thousands. In order to understand the role of the latrine in determining this productivity, a pilot study was conducted, in which fifty latrines were observed in and around Ifakara, Tanzania. The characteristics of the latrine superstructure, use of the latrine, and chemical characteristics of pit latrine contents were compared to the numbers of flies collected in an exit trap placed over the drop hole in the latrine. Absence of a roof was found to have a significant positive association (t=3.17, p=0.003) with the total number of flies collected, and temporary superstructures, particularly as opposed to brick superstructures (z=4.26, p

Citation

Irish, S.; Aiemjoy, K.; Torondel, B.; Abdelahi, F.; Ensink, J.H.J. Characteristics of Latrines in Central Tanzania and Their Relation to Fly Catches. PLoS ONE (2013) 8 (7) e67951. [DOI: 10.1371/journal.pone.0067951]

Characteristics of Latrines in Central Tanzania and Their Relation to Fly Catches

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