Journal
VECTOR-BORNE AND ZOONOTIC DISEASES
Volume 11, Issue 12, Pages 1561-1568Publisher
MARY ANN LIEBERT, INC
DOI: 10.1089/vbz.2011.0712
Keywords
Leishmania major; Meriones shawi; Psammomys obesus; reservoir host; Tunisia; zoonotic cutaneous leishmaniasis
Funding
- US-NIAID-NIH [1P50AI074178-01]
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A study was undertaken between November 2008 and March 2010, in the focus of cutaneous leishmaniasis of Central Tunisia, to evaluate the role of Psammomys obesus (n = 472) and Meriones shawi (n = 167) as reservoir hosts for Leishmania major infection. Prevalence of L. major infection was 7% versus 5% for culture (p = not signifiant [NS]), 19% versus 16% for direct examination of smears (p = NS), and 20% versus 33% (p = NS) for Indirect Fluorescent Antibody Test among P. obesus and M. shawi, respectively. The peak of this infection was in winter and autumn and increased steadily with age for the both species of rodents. The clinical examination showed that depilation, hyper-pigmentation, ignition, and severe edema of the higher edge of the ears were the most frequent signs observed in the study sample (all signs combined: 47% for P. obesus versus 43% for M. shawi; p = NS). However, the lesions were bilateral and seem to be more destructive among M. shawi compared with P. obesus. Asymptomatic infection was similar to 40% for both rodents. This study demonstrated that M. shawi plays an important role in the transmission and the emergence of Leishmania major cutaneous leishmaniasis in Tunisia.
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