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What do studies in wild mammals tell us about human emerging viral diseases in Mexico?

ABSTRACT: Multiple species of viruses circulate in wild mammals, some of them potentially causing zoonosis. Most of the suspected viral zoonotic diseases affecting human patients remain unidentified with regard to their aetiological agent. The aim of this study is to summarize the state of knowledge of the viral richness associated with wild mammals in Mexico throughout 1900-2018 and their relationship with human cases. We compiled two databases, one of them containing all available published studies on potentially zoonotic viruses in wild mammals and another with human cases related to zoonotic viruses. The database on wild mammals covers the period of 1900-2018; the human case database spans 2000-2013. We calculated the richness of viral potential zoonotic agents and evaluated their geographical distribution. We found 262 records of 42 potential zoonotic viral species associated with 92 wild mammal species in 28 states across Mexico. Records of human viral cases were only found in 29 states, which did not overlap with the reports in wild mammals. We detected 25.6% (42/164) of viral zoonotic agents reported worldwide. This analysis opens a relevant topic of discussion for public health attention.

SUBMITTER: Colunga-Salas P

PROVIDER: S-EPMC7168564 | biostudies-literature | 2020 Jan

REPOSITORIES: biostudies-literature

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What do studies in wild mammals tell us about human emerging viral diseases in Mexico?

Colunga-Salas Pablo P Sánchez-Montes Sokani S Grostieta Estefania E Verde-Arregoitia Luis D LD Cabrera-Garrido Martín Y MY Becker Ingeborg I León-Paniagua Livia L

Transboundary and emerging diseases 20191007 1

Multiple species of viruses circulate in wild mammals, some of them potentially causing zoonosis. Most of the suspected viral zoonotic diseases affecting human patients remain unidentified with regard to their aetiological agent. The aim of this study is to summarize the state of knowledge of the viral richness associated with wild mammals in Mexico throughout 1900-2018 and their relationship with human cases. We compiled two databases, one of them containing all available published studies on p ...[more]

PMID: 31461573

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Project description:Zoonotic pathogens and parasites that are transmitted from vertebrates to humans are a major public health risk with high associated global economic costs. The spread of these pathogens and risk of transmission accelerate with recent anthropogenic land-use changes (LUC) such as deforestation, urbanisation, and agricultural intensification, factors that are expected to increase in the future due to human population expansion and increasing demand for resources.We systematically review the literature on anthropogenic LUC and zoonotic diseases, highlighting the most prominent mammalian reservoirs and pathogens, and identifying avenues for future research.The majority of studies were global reviews that did not focus on specific taxa. South America and Asia were the most-studied regions, while the most-studied LUC was urbanisation. Livestock were studied more within the context of agricultural intensification, carnivores with urbanisation and helminths, bats with deforestation and viruses, and primates with habitat fragmentation and protozoa.Research into specific animal reservoirs has improved our understanding of how the spread of zoonotic diseases is affected by LUC. The behaviour of hosts can be altered when their habitats are changed, impacting the pathogens they carry and the probability of disease spreading to humans. Understanding this has enabled the identification of factors that alter the risk of emergence (such as virulence, pathogen diversity, and ease of transmission). Yet, many pathogens and impacts of LUC other than urbanisation have been understudied.Predicting how zoonotic diseases emerge and spread in response to anthropogenic LUC requires more empirical and data synthesis studies that link host ecology and responses with pathogen ecology and disease spread. The link between anthropogenic impacts on the natural environment and the recent COVID-19 pandemic highlights the urgent need to understand how anthropogenic LUC affects the risk of spillover to humans and spread of zoonotic diseases originating in mammals.

Dataset Information

What do studies in wild mammals tell us about human emerging viral diseases in Mexico?

Publications

What do studies in wild mammals tell us about human emerging viral diseases in Mexico?

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