Quantifying human-animal contact rates in Malaysian Borneo: influence of agricultural landscapes on contact with potential zoonotic disease reservoirs

Klim, H., William, T., Chua, T. H., Rajahram, G. S., Drakeley, C. J., Carroll, M. W. and Fornace, K. M. (2023) Quantifying human-animal contact rates in Malaysian Borneo: influence of agricultural landscapes on contact with potential zoonotic disease reservoirs. Frontiers in Epidemiology, 2, 1057047. (doi: 10.3389/fepid.2022.1057047)

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Abstract

Changing landscapes across the globe, but particularly in Southeast Asia, are pushing humans and animals closer together and may increase the likelihood of zoonotic spillover events. Malaysian Borneo is hypothesized to be at high risk of spillover events due to proximity between reservoir species and humans caused by recent deforestation in the region. However, the relationship between landscape and human-animal contact rates has yet to be quantified. An environmentally stratified cross-sectional survey was conducted in Sabah, Malaysia in 2015, collecting geolocated questionnaire data on potential risk factors for contact with animals for 10,100 individuals. 51% of individuals reported contact with poultry, 46% with NHPs, 30% with bats, and 2% with swine. Generalised linear mixed models identified occupational and demographic factors associated with increased contact with these species, which varied when comparing wildlife to domesticated animals. Reported contact rates with each animal group were integrated with remote sensing-derived environmental data within a Bayesian framework to identify regions with high probabilities of contact with animal reservoirs. We have identified high spatial heterogeneity of contact with animals and clear associations between agricultural practices and high animal rates. This approach will help inform public health campaigns in at-risk populations and can improve pathogen surveillance efforts on Malaysian Borneo. This method can additionally serve as a framework for researchers looking to identify targets for future pathogen detection in a chosen region of study.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Fornace, Dr Kimberly
Authors: Klim, H., William, T., Chua, T. H., Rajahram, G. S., Drakeley, C. J., Carroll, M. W., and Fornace, K. M.
College/School:College of Medical Veterinary and Life Sciences > School of Biodiversity, One Health & Veterinary Medicine
Journal Name:Frontiers in Epidemiology
Publisher:Frontiers Media
ISSN:2674-1199
ISSN (Online):2674-1199
Copyright Holders:Copyright © 2023 Klim, William, Chua, Rajahram, Drakeley, Carroll and Fornace
First Published:First published in Frontiers in Epidemiology 2: 1057047
Publisher Policy:Reproduced under a Creative Commons License
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Project CodeAward NoProject NamePrincipal InvestigatorFunder's NameFunder RefLead Dept
310866Socio-ecological dynamics of zoonotic and vector-borne diseases in changing landscapes: implications for surveillance and controlKimberly FornaceWellcome Trust (WELLCOTR)221963/Z/20/ZInstitute of Biodiversity, Animal Health and Comparative Medicine
167761Defining the biomedical, environmental and social risk factors for human infection with Plasmodium knowlesiHeather FergusonMedical Research Council (MRC)G1100796/1Institute of Biodiversity, Animal Health and Comparative Medicine