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Cost-effectiveness of vector control for supplementing mass drug administration for eliminating lymphatic filariasis in India

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  • Donald S Shepard
  • Aung K Lwin
  • Sunish I Pulikkottil
  • Mariapillai Kalimuthu
  • Natarajan Arunachalam
  • Brij K Tyagi
  • Graham B White

Abstract

Background/Methodology: Despite progress using mass drug administration (MDA), lymphatic filariasis (LF) remains a major public health issue in India. Vector control could potentially augment MDA towards LF elimination. We conducted a cost-effectiveness analysis of MDA alone and MDA together with vector control single (VCS) modality or vector control integrated (VCI) modalities. Data came from historical controls and a three-arm cluster randomized trial of 36 villages at risk of LF transmission in Tamil Nadu, India. The arms were: MDA alone (the standard of care); MDA plus VCS (expanded polystyrene beads covering the water surface in wells and cesspits to suppress the filariasis vector mosquito Culex quinquefasciatus); and MDA plus VCI (VCS plus insecticidal pyrethroid-impregnated curtains [over windows, doors, and eaves). Economic costs in 2010 US$ combined government and community inputs from household to state levels. Outcomes were controlled microfilaria prevalence (MfP) and antigen prevalence (AgP) to conventional elimination targets (MfP

Suggested Citation

  • Donald S Shepard & Aung K Lwin & Sunish I Pulikkottil & Mariapillai Kalimuthu & Natarajan Arunachalam & Brij K Tyagi & Graham B White, 2024. "Cost-effectiveness of vector control for supplementing mass drug administration for eliminating lymphatic filariasis in India," PLOS Neglected Tropical Diseases, Public Library of Science, vol. 18(12), pages 1-24, December.
    • Handle: RePEc:plo:pntd00:0011835
    DOI: 10.1371/journal.pntd.0011835
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