The interface between humans, domestic animals, and wildlife has been implicated in the emergence of infectious diseases and the persistence of endemic human and animal diseases. For individuals who reside at this interface, particularly those in low-resource settings, the development of disease risk assessment and mitigation skills must be prioritized. Using a community engagement-One Health approach, we implemented a training program aimed at advancing these skills among agro-pastoralists living adjacent to conservation areas in South Africa. The program included professional development of local facilitators who then conducted workshops with community members. Workshops used a series of experiential, inquiry-based activities to teach participants the concepts of pathogen transmission and disease risk assessment and mitigation. The program was implemented over four weeks with 10 facilitators and 78 workshop participants. We conducted a within-subjects experimental study using a mixed methods design to evaluate the program in terms of facilitator and participant One Health knowledge and practices. Quantitative data included pre/post written assessments; qualitative data included focus group discussions, semi-structured interviews, and pre/post photographs. Mean post-test scores of facilitators increased by 17% (p = 0.0078). For workshop participants, improvements in knowledge were more likely for females than males (OR = 7.315, 95% CI = 2.258–23.705, p = 0.0009) and participants with a higher versus lower education level, albeit borderline non-significant (OR = 4.781, 95% CI = 0.942–24.264, p = 0.0590). Qualitative analysis revealed the implementation of risk mitigation strategies by 98% (60/61) of workshop participants during the three-month follow-up and included improved personal and domestic hygiene practices and enhanced animal housing. Although further evaluation is recommended, this program may be appropriate for consideration as a scalable approach by which to mitigate human and animal infectious disease risk in high-risk/low-resource communities.
1 Highlights Developed profile of a rural community bordering wildlife using One Health approach Education on animal health was desired despite limited understanding of zoonoses Domiciliary rodent sightings associated with animal ownership and household size Frequency of consumption of animal source foods associated with animal ownership Favorable towards conservation but strong preference for separation from wildlife AbstractWe used a community engagement approach to develop a One Health profile of an agropastoralist population at the interface of wildlife areas in eastern South Africa. Representatives from 262 randomly-selected households participated in an in-person, cross-sectional survey.Questions were designed to ascertain the participants' knowledge, attitudes, and practices with regard to human health, domestic animal health, and natural resources including wildlife and water. Surveys were conducted within four selected villages by a team of trained surveyors and translators over four weeks in July-August 2013. Questions were a combination of multiple choice (single answer), multiple selection, open-ended, and Likert scale.The study found that nearly three-quarters of all households surveyed reported owning at least one animal (55% owned chickens, 31% dogs, 25% cattle, 16% goats, 9% cats, and 5% pigs). Among the animal-owning respondents, health concerns identified included dissatisfaction with government-run cattle dip facilities (97%) and frequent morbidity and mortality of chickens that had clinical signs consistent with Newcastle disease (49%). Sixty-one percent of participants believed that diseases of animals could be transmitted to humans. Ninety-six percent of respondents desired greater knowledge about animal diseases. With regard to human health issues, the primary barrier to health care access was related to transportation to/from the community health clinics. Environmental health issues revealed by the survey included 2 disparities by village in drinking water reliability and frequent domiciliary rodent sightings positively associated with increased household size and chicken ownership. Attitudes towards conservation were generally favorable; however, the community demonstrated a strong preference for a dichotomous approach to wildlife management, one that separated wildlife from humans.Due to the location of the community, which neighbors the Great Limpopo Transfrontier Conservation Area, and the livestock-dependent lifestyle of the resource-poor inhabitants, a One Health approach that takes into consideration the interconnectedness of human, animal, and environmental health is necessary. The community profile described in this study provides a foundation for health research and planning initiatives that are driven by community engagement and consider the multitude of factors affecting health at the human-domestic animal-wildlife interface. Furthermore, it allows for the determination and quantification of the linkages between human, animal, and environmental health.
Background: Multidisciplinary and multisectoral approaches such as One Health and related concepts (e.g., Planetary Health, EcoHealth) offer opportunities for synergistic expertise to address complex health threats. The connections between humans, animals, and the environment necessitate collaboration among sectors to comprehensively understand and reduce risks and consequences on health and wellbeing. One Health approaches are increasingly emphasized for national and international plans and strategies related to zoonotic diseases, food safety, antimicrobial resistance, and climate change, but to date, the possible applications in clinical practice and benefits impacting human health are largely missing. Methods: In 2018 the “Application of the One Health Approach to Global Health Centers” conference held at the Albert Einstein College of Medicine convened experts involved in One Health policy and practice. The conference examined issues relevant to One Health approaches, sharing examples of challenges and successes to guide application to medical school curricula and clinical practice for human health. This paper presents a synthesis of conference proceedings, framed around objectives identified from presentations and audience feedback. Findings and Recommendations: The following objectives provide opportunities for One Health involvement and benefits for medical schools and global health centers by: 1) Improving One Health resource sharing in global health and medical education; 2) Creating pathways for information flow in clinical medicine and global health practice; 3) Developing innovative partnerships for improved health sector outcomes; and 4) Informing and empowering health through public outreach. These objectives can leverage existing resources to deliver value to additional settings and stakeholders through resource efficiency, more holistic and effective service delivery, and greater ability to manage determinants of poor health status. We encourage medical and global health educators, practitioners, and students to explore entry points where One Health can add value to their work from local to global scale.
A retrospective cohort study was conducted to determine the risk of bovine tuberculosis (TB) among animals sold out from herds that were free to trade animals during the year 2005 according to their bovine TB testing history during the year 2005. The present study sample comprised of 338,960 animals, of which 124,360 animals were sold out from herds that were restricted from trading at some stage during 2005 (bovine TB 'exposed') and 214,600 animals that were sold from herds which did not have their trading status withdrawn in 2005 (bovine TB 'non-exposed'). The overall risk of a diagnosis of bovine TB during the two-year period after the animals were sold out was 0.69 per cent. The odds of bovine TB were 1.91 higher for animals sold out from bovine TB 'exposed' herds compared with animals sold out from bovine TB 'non-exposed' herds (OR 95 per cent CI: 1.76 to 2.07, P<0.0001). Ten per cent of animals identified during field surveillance with bovine TB did so less than two months after being sold out in 2005, and similarly, 10 per cent of the animals classified as bovine TB positive by finding a bovine TB lesion at slaughter did so within 25 days (or less) of being sold out in 2005.
The One Health approach has gained support across a range of disciplines; however, training opportunities for professionals seeking to operationalize the interdisciplinary approach are limited. Academic institutions, through the development of high-quality, experiential training programs that focus on the application of professional competencies, can increase accessibility to One Health education. The Rx One Health Summer Institute, jointly led by US and East African partners, provides a model for such a program. In 2017, 21 participants representing five countries completed the Rx One Health program in East Africa. Participants worked collaboratively with communities neighboring wildlife areas to better understand issues impacting human and animal health and welfare, livelihoods, and conservation. One Health topics were explored through community engagement and role-playing exercises, field-based health surveillance activities, laboratories, and discussions with local experts. Educational assessments reflected improvements in participants' ability to apply the One Health approach to health and disease problem solving, as well as anticipate cross-sectoral challenges to its implementation. The experiential learning method, specifically the opportunity to engage with local communities, proved to be impactful on participants' cultural awareness. The Rx One Health Summer Institute training model may provide an effective and implementable strategy by which to contribute to the development of a global One Health workforce.
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