Review Article

Cystic Echinococcosis: An Impact Assessment of Prevention Programs in Endemic Developing Countries in Africa, Central Asia, and South America

Table 2

Article exclusion/inclusion criteria.

Exclusion:1. Date: anything outside of 2015-2021
2. PubMed and WHO IRIS only: “full text” and “abstract” selected to exclude articles with incomplete access
3. Document type:
(i) CAB: book, book chapter, thesis, conference proceedings, correspondence, bulletin, editorial, bulletin article, miscellaneous, and annual report
(ii) PubMed: books and documents
(iii) WHO: publications, technical documents, advisory committees, meeting minutes, governing bodies documents, and regional director documents
(iv) Science Direct: exclusion of both document and study types combined under one category: “Article Types”
4.
(i) CAB: 13 “Research Areas” (Plant Sciences, Reproductive Biology, Marine Freshwater Biology, Meteorology Atmospheric Sciences, Anesthesiology, Forestry, Sports Science, Film Radio Television, Fisheries, Archaeology, Arts Humanities Other Topics, Materials Science, and Paleontology)
All searched using “echinococcosis,” “cyst,” “tapeworm,” “control,” or “prevention,” before final exclusion.
(ii) Science Direct: 8 “Subject Areas” (Immunology and Microbiology; Agricultural and Biological Sciences; Biochemistry, Genetics and Molecular Biology; Pharmacology, Toxicology, and Pharmaceutical Science; Environmental Science; Chemistry; Neuroscience; and Engineering)
5. Language: non-English
6. Study type:
(i) PubMed: clinical study, clinical trial, controlled clinical trial, meta-analysis, clinical trial veterinary, and systemic review
(ii) Manual exclusion for CAB, WHO, and ScienceDirect
Reviews: systemic reviews (exception for program and country specific reviews) and narrative reviews
Experimental studies: crossover trials, controlled in vitro laboratory or clinical trials (based on individualized treatment and diagnostic methods, not country or program specific)
Observational studies: case control studies, opinion pieces, and meta-analysis
7. Relevance based upon “title,” “abstract,” or “full text” (if exclusion could not be made from reviewing article title or abstract)

Inclusion:1. Date: 2015-2021
2. PubMed and WHO IRIS only: “full text” and “abstract” selected
3. Document type:
(i) CAB: journal article, conference paper, and journal issue
(ii) PubMed: journal article
(iii) WHO (“Communities and Collections” in IRIS: Headquarters (Journal Bulletin, Journal articles); Regional office for Africa (Country Offices, Journal articles); Regional office for the Americas (Journal articles and newsletters, publications); Regional office for Southeast Asia (Country Offices, Regional Journals, Regional Publications, Sub-Committee on Policy and Programme Development and Management); and Regional office for the Western pacific (Regional Office for the Western Pacific Publications)
(iv) Science Direct: “article types:” review articles, research articles, data articles, case reports, mini reviews, and other
4.
(i) CAB: all but 13 excluded “Research Areas”
(ii) Science Direct: “Subject Areas”: “Veterinary Science and Veterinary Medicine,” and “Medicine and Dentistry”
5. Language: English
6. Study type:
(i) PubMed: comparative study, evaluation study, observational study, observation study veterinary, and review
(ii) No selection option for CAB, WHO, and Science Direct. Thus, manual inclusion
Observational studies: cohort, cross-sectional, before and after study, and interrupted time series
Descriptive studies: case series, program, and country-specific observational studies
7. Relevance based upon title, abstract, or full text review:
(i) Addresses research question
(ii) Focused on surveillance, control, or prevention programs; social, health, or economic outcomes (e.g., behavioral change and access to medical services); impact (e.g., disease prevalence)
(iii) Disease: Echinococcus granulosus species
(iv) Population: Endemic developing countries in Central Asia, Africa, or South America