Temporal and spatial distribution of Leishmania mexicana infections in a population of Neotoma micropus
AUTOR(ES)
Raymond, Russell W, McHugh, Chad P, Witt, Loren R, Kerr, Sara F
FONTE
Memórias do Instituto Oswaldo Cruz
DATA DE PUBLICAÇÃO
2003-03
RESUMO
A 19-month mark-release-recapture study of Neotoma micropus with sequential screening for Leishmania mexicana was conducted in Bexar County, Texas, USA. The overall prevalence rate was 14.7% and the seasonal prevalence rates ranged from 3.8 to 26.7%. Nine incident cases were detected, giving an incidence rate of 15.5/100 rats/year. Follow-up of 101 individuals captured two or more times ranged from 14 to 462 days. Persistence of L. mexicana infections averaged 190 days and ranged from 104 to 379 days. Data on dispersal, density, dispersion, and weight are presented, and the role of N. micropus as a reservoir host for L. mexicana is discussed.
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