Volume 12, Number 12—December 2006
Dispatch
Mastomys natalensis and Lassa Fever, West Africa
Emilie Lecompte*
, Elisabeth Fichet-Calvet†, Stéphane Daffis*‡, Kékoura Koulémou§, Oumar Sylla§, Fodé Kourouma§, Amadou Doré§, Barré Soropogui§, Vladimir Aniskin¶, Bernard K. Allali#, Stéphane Kouassi Kan#, Aude Lalis†, Lamine Koivogui§, Stephan Günther**, Christiane Denys†, and Jan ter Meulen*††
, Elisabeth Fichet-Calvet†, Stéphane Daffis*‡, Kékoura Koulémou§, Oumar Sylla§, Fodé Kourouma§, Amadou Doré§, Barré Soropogui§, Vladimir Aniskin¶, Bernard K. Allali#, Stéphane Kouassi Kan#, Aude Lalis†, Lamine Koivogui§, Stephan Günther**, Christiane Denys†, and Jan ter Meulen*††
Table
Small mammal species examined for arenavirus infection by reverse transcription PCR*
| Species | Lassa fever high-prevalence areas | Lassa fever low-prevalence areas | Total | |||
|---|---|---|---|---|---|---|
| No. examined | No. positive (%) | No. examined | No. positive (%) | No. examined | No. positive (%) | |
| Mastomys natalensis | 726 | 96 (13.2) | 121 | 0 | 847 | 96 (11.3) |
| Mastomys erythroleucus | 65 | 0 | 137 | 0 | 202 | 0 |
| Mus (Nannomys) spp. | 131 | 1 (0.7) | 34 | 1 (5.6) | 165 | 2 (1.2) |
| Praomys cf. rostratus | 78 | 0 | 42 | 0 | 117 | 0 |
| Myomys daltoni | 24 | 0 | 25 | 0 | 49 | 0 |
| Crocidura spp. | 22 | 0 | 18 | 0 | 40 | 0 |
| Lophuromys sikapusi | 18 | 0 | 21 | 0 | 39 | 0 |
| Lemniscomys spp. | 19 | 0 | 10 | 0 | 29 | 0 |
| Rattus rattus | 8 | 0 | 51 | 0 | 59 | 0 |
| Tatera cf. guinea | 3 | 0 | 12 | 0 | 15 | 0 |
| Uranomys ruddi | 1 | 0 | 6 | 0 | 7 | 0 |
| Hylomyscus simus | 5 | 0 | 0 | 0 | 5 | 0 |
| Malacomys edwardsi | 2 | 0 | 0 | 0 | 2 | 0 |
| Hybomys spp. | 3 | 0 | 0 | 0 | 3 | 0 |
| Mus musculus | 0 | 0 | 1 | 0 | 1 | 0 |
| Cricetomys gambianus | 1 | 0 | 0 | 0 | 1 | 0 |
| Graphiurus sp. | 1 | 0 | 0 | 0 | 1 | 0 |
| Paraxerus sp. | 1 | 0 | 0 | 0 | 1 | 0 |
| Sylvisorex sp. | 1 | 0 | 0 | 0 | 1 | 0 |
| Micropteropus sp. | 0 | 0 | 4 | 0 | 4 | 0 |
| Thamnomys sp. | 0 | 0 | 1 | 0 | 1 | 0 |
| Dasymys rufulus | 0 | 0 | 1 | 0 | 1 | 0 |
| Lepus sp. | 0 | 0 | 1 | 0 | 1 | 0 |
| Total/Lassa virus | 1,271 | 96 | 320 | 0 | 1,591 | 96 (6) |
| Total/Arenaviruses | 1,271 | 97 | 320 | 1 | 1,591 | 98 (6.2)
*The Lassa fever high-prevalence areas comprise the region of Faranah and the forest region (Figure 1); the low-prevalence areas comprise all other localities of the study. |
*The Lassa fever high-prevalence areas comprise the region of Faranah and the forest region (Figure 1); the low-prevalence areas comprise all other localities of the study.
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