Current epidemiology of human plague in Madagascar.

Abstract

From 1996 to 1998, 5,965 patients with suspected plague were identified in 38 districts of Madagascar (40% of the total population are exposed). Using standard bacteriology, 917 of them were confirmed or presumptive (C + P) cases. However, more than 2,000 plague cases could be estimated using F1 antigen assay. Two out of the 711 Yersinia pestis isolates tested were resistant to chloramphenicol and to ampicillin (both isolates found in the harbour of Mahajanga). Urban plague (Mahajanga harbour and Antananarivo city) accounted for 37.4% of the C + P cases. Bubonic plague represented 97.2% of the cases, and the lethality rate was still high (20%). In comparing the exposed population, plague was more prevalent in males (M:F sex ratio 1.3:1) and patients under 20 years (2.7% babies under two years). Buboes were mainly localised in the inguinal/femoral regions (55.8%). The epidemiological risk factors are discussed.

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@article{Chanteau2000CurrentEO, title={Current epidemiology of human plague in Madagascar.}, author={Suzanne Chanteau and Maherisoa Ratsitorahina and Lila Rahalison and Bruno W. Rasoamanana and Frankie K. W. Chan and Pascal Boisier and D. Rabeson and Jean François Roux}, journal={Microbes and infection}, year={2000}, volume={2 1}, pages={25-31} }