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Could a ring treatment approach be proposed to control Taenia solium transmission in a post elimination setting? A pilot study in Zambia.

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اقرأ على الانترنت اقرأ أكثر حفظ في قائمتي
  • معلومة اضافية
    • المصدر:
      Publisher: Public Library of Science Country of Publication: United States NLM ID: 101291488 Publication Model: eCollection Cited Medium: Internet ISSN: 1935-2735 (Electronic) Linking ISSN: 19352727 NLM ISO Abbreviation: PLoS Negl Trop Dis Subsets: MEDLINE
    • بيانات النشر:
      Original Publication: San Francisco, CA : Public Library of Science
    • الموضوع:
      Taenia solium*/isolation & purification ; Swine Diseases*/transmission ; Swine Diseases*/parasitology ; Swine Diseases*/prevention & control ; Feces*/parasitology ; Cysticercosis*/transmission ; Cysticercosis*/veterinary ; Cysticercosis*/prevention & control; Animals ; Zambia/epidemiology ; Humans ; Pilot Projects ; Swine ; Female ; Male ; Adult ; Adolescent ; Middle Aged ; Young Adult ; Taeniasis/transmission ; Taeniasis/prevention & control ; Taeniasis/parasitology ; Taeniasis/veterinary ; Child ; Disease Eradication/methods ; Anthelmintics/therapeutic use ; Anthelmintics/administration & dosage
    • نبذة مختصرة :
      Background: Geographically targeted Taenia solium ring approaches consisting of treating individuals within a radius of 100-meter of a cysticercosis positive pig have been trialled in Peru. This study explored if a similar approach could be proposed to control T. solium transmission in a post elimination setting in Zambia, focussing on community members' willingness to be sampled and treated.
      Methodology and Principal Findings: The study was conducted in a community where elimination of active T. solium transmission was achieved. All eligible pigs and people were sampled, at 4- to 6-monthly intervals, followed by implementation of the ring treatment approach. This implied that whenever a pig was seropositive for cysticercosis during sampling, every human and pig residing in a radius of 50-meters of the seropositive pig would be treated. The results of the positive human stool samples were used to create the rings, whenever no pigs were positive. From June 2018 to October 2019, four samplings, followed by ring treatments were conducted. Between 84% and 91% of the willing people provided a stool sample, covering 46% to 59% of the total population living in the study area. Between 78% and 100% of the eligible pigs got sampled. Three ring treatments were based on porcine seropositivity and one on taeniosis results. Two to four rings were opened per sampling. During the ring treatments, between 89% and 100% of the eligible human and pig population living within a ring was treated.
      Conclusions: Participants were willing to participate and get treatment, once the rings were opened. However, the utility of ring treatment approaches in a post elimination setting needs further evaluation, given the lack of highly accurate diagnostic tools for porcine cysticercosis and the challenges in obtaining stool samples. The ring treatment approach adopted should be further improved before recommendations to public health authorities can be given.
      Competing Interests: The authors have declared that no competing interests exist.
      (Copyright: © 2024 Trevisan et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.)
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    • الرقم المعرف:
      0 (Anthelmintics)
    • الموضوع:
      Date Created: 20240807 Date Completed: 20240826 Latest Revision: 20240828
    • الموضوع:
      20240828
    • الرقم المعرف:
      PMC11346962
    • الرقم المعرف:
      10.1371/journal.pntd.0012400
    • الرقم المعرف:
      39110770