Evaluation of a One Health public health program based on minimum inputs to control Taenia solium in Madagascar
Bibliographic record
Abstract
Cysticercosis in humans caused by the parasite Taenia solium is one of the World Health Organization's Neglected Tropical Diseases. The parasite is transmitted between the human host and pigs. Efforts to prevent the disease have relied mainly on treatment of people with anthelmintics. However, to date, there is no practical and effective control method that has been delivered as a public health program. Here we describe a large-scale, minimum inputs T. solium control program implemented as a public health program in Madagascar. Initially all pigs were vaccinated for porcine cysticercosis and medicated with oxfendazole, after which only young piglets and pigs imported into the program area were targeted for interventions. After piglet interventions were in place and on-going, a single mass drug administration (MDA) was delivered to the human population with a taeniacide. The outcomes were assessed one year after the human treatment, by comparing pre-and post-intervention levels of porcine cysticercosis caused by T. solium and human T. solium taeniasis. Over a twenty-two-month period, 96,735 pig vaccinations and oxfendazole medications were delivered and during the MDA, 117,216 people received taeniacide. Ninety percent of the pig population were receiving vaccination and medication at the end of the intervention period. Coverage of the eligible human population by the MDA was 62.5%. Prior to the intervention 30.8% of slaughter-age pigs had viable T. solium infection, reduced to 8% after the program. Human taeniasis was found to be 1.25% prior to the MDA and 0.6% one year after the MDA. The program successfully demonstrated effective control of T. solium transmission to pigs using minimum inputs and delivered as a public health program. Sustained control and expansion of the program could potentially lead to the elimination of the disease being a public health problem in Madagascar.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.004 | 0.005 |
| Meta-epidemiology (narrow) | 0.001 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.001 |
| Bibliometrics | 0.001 | 0.001 |
| Science and technology studies | 0.001 | 0.001 |
| Scholarly communication | 0.001 | 0.001 |
| Open science | 0.002 | 0.002 |
| Research integrity | 0.001 | 0.001 |
| Insufficient payload (model declined to judge) | 0.004 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".