Survey on the Presence of Equine Tick-Borne Rickettsial Infections in Southcentral United States

Duncan, Kathryn T; Sundstrom, Kellee D.; Hunt, Devery; Lineberry, Megan W.; Grant, Amber N.; Little, Susan E.

doi:10.1016/j.jevs.2022.104135

Journal of Equine Veterinary Science

2022

DOI: 10.1016/j.jevs.2022.104135

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Survey on the Presence of Equine Tick-Borne Rickettsial Infections in Southcentral United States

Kathryn T Duncan

Kellee D. Sundstrom

Devery Hunt

et al.

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2023

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Optimal control of a tick population with a view to control of Rocky Mountain Spotted Fever

McCarthy,

Wallace

2023

MBE

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<abstract><p>In some regions of the Americas, domestic dogs are the host for the tick vector <italic>Rhipicephalus sanguineus</italic>, and spread the tick-borne pathogen <italic>Rickettsia rickettsii</italic>, which causes Rocky Mountain Spotted Fever (RMSF) in humans. Interventions are carried out against the vector via dog collars and acaricidal wall treatments. This paper investigates the optimal control of acaricidal wall treatments, using a prior model for populations and disease transmission developed for this particular vector, host, and pathogen. It is modified with a death term during questing stages reflecting the cost of control and level of coverage. In the presence of the control, the percentage of dogs and ticks infected with <italic>Ri. rickettsii</italic> decreases in a short period and remains suppressed for a longer period, including after treatment is discontinued. Risk of RMSF infection declines by 90% during this time. In the absence of re-application, infected tick and dog populations rebound, indicating the eventual need for repeated treatment.</p></abstract>

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Optimal control of a tick population with a view to control of Rocky Mountain Spotted Fever

McCarthy,

Wallace

2023

MBE

View full text Add to dashboard Cite

show abstract

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Survey on the Presence of Equine Tick-Borne Rickettsial Infections in Southcentral United States

Cited by 1 publication

References 55 publications

Optimal control of a tick population with a view to control of Rocky Mountain Spotted Fever

Optimal control of a tick population with a view to control of Rocky Mountain Spotted Fever

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