Shrinking risk profiles after deworming of children in Port Elizabeth, South Africa, with special reference to Ascaris lumbricoides and Trichuris trichiura

  • Ivan Müller Swiss Tropical and Public Health Institute, Basel; University of Basel, Basel; Department of Sport, Exercise and Health, University of Basel, Basel, Switzerland. http://orcid.org/0000-0002-6397-9979
  • Stefanie Gall Department of Sport, Exercise and Health, University of Basel, Basel, Switzerland.
  • Lindsey Beyleveld Department of Medical Laboratory Sciences, Nelson Mandela University, Port Elizabeth, South Africa.
  • Markus Gerber Department of Sport, Exercise and Health, University of Basel, Basel, Switzerland.
  • Uwe Pühse Department of Sport, Exercise and Health, University of Basel, Basel, Switzerland.
  • Rosa du Randt Department of Human Movement Science, Nelson Mandela University, Port Elizabeth, South Africa.
  • Peter Steinmann Swiss Tropical and Public Health Institute, Basel; University of Basel, Switzerland.
  • Leyli Zondie Department of Medical Laboratory Sciences, Nelson Mandela University, Port Elizabeth, South Africa.
  • Cheryl Walter Department of Human Movement Science, Nelson Mandela University, Port Elizabeth, South Africa.
  • Jürg Utzinger | juerg.utzinger@swisstph.ch Swiss Tropical and Public Health Institute, Basel; University of Basel, Basel, Switzerland.

Abstract

Risk maps facilitate discussion among different stakeholders and provide a tool for spatial targeting of health interventions. We present maps documenting shrinking risk profiles after deworming with respect to soil-transmitted helminthiasis among schoolchildren from disadvantaged neighbourhoods in Port Elizabeth, South Africa. Children were examined for soil-transmitted helminth infections using duplicate Kato-Katz thick smears in March 2015, October 2015 and May 2016, and subsequently treated with albendazole after each survey. The mean infection intensities for Ascaris lumbricoides were 9,554 eggs per gram of stool (EPG) in March 2015, 4,317 EPG in October 2015 and 1,684 EPG in March 2016. The corresponding figures for Trichuris trichiura were 664 EPG, 331 EPG and 87 EPG. Repeated deworming shrank the risk of soil-transmitted helminthiasis, but should be complemented by other public health measures.

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Published
2017-11-27
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vHealth Communications
Keywords:
Albendazole, Ascaris lumbricoides, Trichuris trichiura, Risk profiling, South Africa
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How to Cite
Müller, I., Gall, S., Beyleveld, L., Gerber, M., Pühse, U., du Randt, R., Steinmann, P., Zondie, L., Walter, C., & Utzinger, J. (2017). Shrinking risk profiles after deworming of children in Port Elizabeth, South Africa, with special reference to Ascaris lumbricoides and Trichuris trichiura. Geospatial Health, 12(2). https://doi.org/10.4081/gh.2017.601

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