This project deals with zoonotic infections amongst livestock and the farmers who keep them. Zoonotic diseases are infections transmitted between animals and humans; they are a major group of pathogens (approximately 60% of all human-infective organisms), with a diversity of animal hosts including wildlife, pets and domestic animals. Domestic livestock (especially cattle and pigs) are an important source of zoonotic infections to humans, due in part to the close interactions between these agricultural animals and the people who keep them. While keeping domestic stock is an important source of rural livelihoods in many countries, these animals may also expose the families who keep them to disease risks. Understanding the interactions between people and their domestic animals, and the transmission of zoonoses between them, is of vital importance in creating the evidence-based disease control policies that are required to protect both human and animal health.
This project addresses a set of hypotheses relating to endemic, neglected zoonoses in livestock and humans in East Africa, and the impact of co-factors (a condition that influences the effects of another condition) on the epidemiology of, and burden imposed by, these diseases. The major objectives are to demonstrate a relationship between co-factors and risk of infection, and to investigate whether interventions aimed at co-factors can affect the risk of infection with the zoonoses.
This epidemiology and public health project involves gaining a comprehensive understanding of the infection history of a large cohort of humans and livestock in a study site in Western Kenya, and is only possible through our excellent collaborations with partners in the region. Environmental, behavioural and social factors that might contribute to exposure are also being explored, and the project provides the framework for the evaluation of a range of diagnostic tests in this setting. The findings will be synthesised to devise cost-effective interventions to improve disease control and development policy.
Details of the study site can be found here.
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