Modeling Chagas Disease Prevalence in Vector Population Based on Host Species Diversity Using a Deterministic Model
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• Multihost vector-borne pathogens are transmitted between arthropod vectors and multiple host species. They have a significant impact on human, domestic animal, and wildlife health (e.g. Chagas disease, West Nile Virus, Lyme disease). • The variety of potential hosts with varying reservoir competence complicates transmission. • In many cases, anthropogenic land use change (urbanization, forest fragmentation) is linked to increased transmission of vector-borne multihost pathogens. Proposed mechanisms of increased vector-borne disease transmission include altered host diversity and host community composition. • In theory, host life history may also affect reservoir competence. Host species that ‘live fast and die young’ (r-selected) may drive increased transmission compared to ‘slow-paced’ (k-selected) species because of 1) increased production of susceptible individuals and 2) less investment in acquired immunity.
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Modeling Chagas Disease Prevalence in Vector Population Based on Host Species Diversity Using a Deterministic Model Cabrera, Carolina (Kalamazoo College, 2014)Models have been used to study transmission dynamics for over 100 years, earlier than even the Ross model in the early 1900's. The modeling of multihost, vector-borne pathogens such as West Nile virus and Lyme disease has ...
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