reference : Comparing the relative potential of rodents as reservoirs of the Lyme disease spirochete (Borrelia burgdorferi)

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Abstract The authors compared the contribution of white-footed mice (Peromyscus leucopus), chipmunks (Tamias striatus), and meadow voles (Microtus pennsylvanicus) to infection of vector ticks with the Lyme disease spirochete, Borrelia burgddorferi. At one Massachusetts location where Lyme disease is endemic, all three species of rodents were found to be infected. Prevalence of infection, however, varied from 90% for mice, and 75% for chipmunks to just 5.5% for meadow voles. Infectivity of these hosts for larval Ixodes dammini also varied, but mice were found to be the most infective, followed by chipmunks and meadow voles. Density estimates of these three hosts, collected between 1981 and 1986 in three coastal Massachusetts locations, revealed that mice were more abundant than the other two rodents in areas in which ticks were abundant. In addition, mice were infested more abundantly with larval I. dammini than the other two host species. Integrating these results, we determined each species' "reservoir potential," a novel term which describes the relative contribution made by a host species to the horizontal infection of a vector population. The authors' findings demonstrate that, at least in coastal Massachusetts, P. leucopus is the most important small mammal reservoir for B. burgdorferi.
Author Mather, T. N.; Wilson, M. L.; Moore, S. I.; Ribeiro, J. M.; Spielman, A.
Date Jul
ISSN 1476-6256
Issue 1
Journal American Journal of Epidemiology
Keywords Animals; Borrelia; Borrelia Infections/*transmission; *Borrelia burgdorferi; Cross-Sectional Studies; *Disease Reservoirs; *Disease Vectors; Humans; Lyme Disease/*transmission; Massachusetts; Mice; *Rodentia
Notes Mather, T N Wilson, M L Moore, S I Ribeiro, J M Spielman, A eng AI 19693/AI/NIAID NIH HHS/ Comparative Study Research Support, Non-U.S. Gov't Research Support, U.S. Gov't, P.H.S. 1989/07/01 Am J Epidemiol. 1989 Jul;130(1):143-50.
PMID 2787105
Pages 143-150
Title Comparing the relative potential of rodents as reservoirs of the Lyme disease spirochete (Borrelia burgdorferi)
Volume 130
Year 1989
Bibliographic identifiers
.reference_type 0
_record_number 18015
_uuid 5767e11f-0de8-4030-a669-703f8be8416a