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Volume 7, Number 6—December 2001

Dispatch

Rift Valley Fever Outbreak, Mauritania, 1998: Seroepidemiologic, Virologic, Entomologic, and Zoologic Investigations

Pierre Nabeth*, Yacouba Kane†, Mohameden O. Abdalahi‡, Mawlouth Diallo§, Kader Ndiaye§, Khalilou Ba¶, Fabien Schneegans†, Amadou Alpha Sall§Comments to Author , and Christian Mathiot§
Author affiliations: *Ministère de la Santé et des Affaires Sociales, Nouakchott, Mauritania;; †Centre National d'Elevage et Recherches Vétérinaires, Nouakchott, Mauritania;; ‡Centre National d'Hygiène, Nouakchott, Mauritania;; §Institut Pasteur de Dakar, Dakar, Senegal;; ¶Institut de la Recherche pour le développement, Dakar, Senegal

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Table

Serologic, virologic, entomologic, and zoologic investigations, Rift Valley fever outbreak, Mauritania, 1998

Mosquito species No. Abundanceb Virus isolation
Anopheles pharoensis 8 1.5 0
Anopheles rhodesiensis 27 4.9 0
Anopheles rufipes 11 2.0 0
Culex antennatus 1 0.2 0
Culex decens 25 4.6 0
Culex neavei 68 12.5 0
Culex perfuscus 4 0.7 0
Culex poicilipes 191 34.9 0
Culex quinquefasciatus 211 38.6 0
Total no. of mosquitoes 546 100 0
Sandflies 524 0
Biting midges 78 0
Total no. of arthropods 1,148 0

aNA = Number of abortions; PMR = perinatal mortality rate; CI = 95% confidence intervals.
bAbundance = number of individuals of one species/total number of mosquitoes collected.

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