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Volume 24, Number 12—December 2018
Research

Survey of Ebola Viruses in Frugivorous and Insectivorous Bats in Guinea, Cameroon, and the Democratic Republic of the Congo, 2015–2017

Helene M. De Nys1, Placide Mbala Kingebeni1, Alpha K. Keita1, Christelle Butel, Guillaume Thaurignac, Christian-Julian Villabona-Arenas, Thomas Lemarcis, Mare Geraerts, Nicole Vidal, Amandine Esteban, Mathieu Bourgarel, François Roger, Fabian Leendertz, Ramadan Diallo, Simon-Pierre Ndimbo-Kumugo, Justus Nsio-Mbeta, Nikki Tagg, Lamine Koivogui, Abdoulaye Toure, Eric Delaporte, Steve Ahuka-Mundeke, Jean-Jacques Muyembe Tamfum, Eitel Mpoudi-Ngole, Ahidjo Ayouba2, and Martine Peeters2Comments to Author 

Author affiliations: TransVIHMI of Institut de Recherche pour le Développement, Institut National de la Santé et de la Recherche Médicale and University of Montpellier, Montpellier, France (H.M. De Nys, P. Mbala Kingebeni, A.K. Keita, C. Butel, G. Thaurignac, C.-J. Villabona-Arenas, T. Lemarcis, M. Geraerts, N. Vidal, A. Esteban, A. Toure, E. Delaporte, A. Ayouba, M. Peeters); National Institute of Biomedical Research, Kinshasa, Democratic Republic of the Congo (P. Mbala Kingebeni, S.-P. Ndimbo-Kumugo, S. Ahuka-Mundeke, J.-J. Muyembe Tamfum); Cliniques Universitaires de Kinshasa, Kinshasa (P. Mbala Kingebeni, S. Ahuka-Mundeke, J.-J. Muyembe Tamfum); Centre de Recherche et de Formation en Infectiologie de Guinée, Conakry, Guinea (A.K. Keita, A. Toure); ASTRE of Centre de coopération internationale en recherche agronomique pour le développement, Institut national de la Recherche Agronomique and Univerisity of Montpellier, Montpellier (M. Bourgarel, F. Roger); Robert Koch-Institute, Berlin, Germany (F. Leendertz); Ministère de l’Elevage et des Productions Animales, Conakry (R. Diallo); Direction de Lutte contre la Maladie, Kinshasa (J. Nsio-Mbeta); Royal Zoological Society of Antwerp, Antwerp, Belgium (N. Tagg); Université de Conakry, Conakry (L. Koivogui); Institut National de Sante Publique, Conakry (A. Toure); Institut de Recherches Médicales et d’Études des Plantes Médicinales, Yaoundé, Cameroon (E. Mpoudi-Ngole); Cameroon Institut de Recherche pout le Développement, Yaoundé (E. Mpoudi-Ngole)

Main Article

Table 4

Blood samples from bats reactive with both nucleoprotein and glycoprotein of Zaire or Sudan Ebola virus, by statistical method used to determine cutoff, Guinea, Cameroon, and the Democratic Republic of the Congo, 2015–2017*

Bat family, genus No. tested Ebola virus species Statistical method
Mean + 4×SD
Change-point
Binomial
Exponential
No. % (95% CI) No. % (95% CI) No. % (95% CI) No. % (95% CI)
Hipposideridae
Hipposideros sp. 1,282 Zaire 0 0 (0–0.3) 0 0 (0–0.3) 0 0 (0–0.3) 0 0 (0–0.3)

1,282
Sudan
0
0 (0–0.3)

0
0 (0–0.3)

0
0 (0–0.3)

0
0 (0–0.3)
Miniopteridae
Miniopterus sp. 232 Zaire 0 0 (0–1.6) 0 0 (0–1.6) 0 0 (0–1.6) 0 0 (0–1.6)

232
Sudan
0
0 (0–1.6)

0
0 (0–1.6)

0
0 (0–1.6)

0
0 (0–1.6)
Molossidae
Chaerephon sp. 44 Zaire 0 0 (0–8.0) 0 0 (0–8.0) 0 0 (0–8.0) 0 0 (0–8.0)
44 Sudan 0 0 (0–8.0) 0 0 (0–8.0) 0 0 (0–8.0) 0 0 (0–8.0)
Mops sp. 494 Zaire 6 1.2 (0.6–2.6) 6 1.2 (0.6–2.6) 1 0.2 (0.03–1.1) 1 0.2 (0.03–1.1)

494
Sudan
2
0.4 (0.1–1.5)

2
0.4 (0.1–1.5)

0
0 (0–0.8)

0
0 (0–0.8)
Nycteridae
Nycteris sp 22 Zaire 0 0 (0–14.9) 0 0 (0–14.9) 0 0 (0–14.9) 0 0 (0–14.9)

22
Sudan
0
0 (0–14.9)

0
0 (0–14.9)

0
0 (0–14.9)

0
0 (0–14.9)
Rhinolophidae
Rhinolophus sp. 86 Zaire 0 0 (0–4.3) 0 0 (0–4.3) 0 0 (0–4.3) 0 0 (0–4.3)

86
Sudan
0
0 (0–4.3)

0
0 (0–4.3)

0
0 (0–4.3)

0
0 (0–4.3)
Vespertilionidae
Glauconycteris sp.* 3 Zaire 0 0 0 0
3 Sudan 0 0 0 0
Kerivoula sp.* 1 Zaire 0 0 0 0
1 Sudan 0 0 0 0
Myotis bocagii* 3 Zaire 0 0 0 0
3 Sudan 0 0 0 0
Neoromicia sp.* 5 Zaire 0 0 0 0
5 Sudan 0 0 0 0
Scotophilus sp. 22 Zaire 0 0 (0–14.9) 0 0 (0–14.9) 0 0 (0–14.9) 0 0 (0–14.9)

22
Sudan
0
0 (0–14.9)

0
0 (0–14.9)

0
0 (0–14.9)

0
0 (0–14.9)
Pteropodidae
Eidolon helvum 480 Zaire 16 3.3 (2.1–5.4) 16 3.3 (2.1–5.4) 1 0.2 (0–1.2) 4 0.8 (0.3–2.1)
480 Sudan 14 2.9 (1.7–4.8) 14 2.9 (1.7–4.8) 0 0 (0–0.8) 5 1.0 (0.4–2.4)
Epomophorus sp. 207 Zaire 1 0.5 (0.08–2.7) 1 0.5 (0.08–2.7) 0 0 (0–1.4) 0 0 (0–1.8)
207 Sudan 0 0 (0–1.8) 0 0 (0–1.8) 0 0 (0–1.8) 0 0 (0–1.8)
Epomops sp. 280 Zaire 0 0 (0–1.4) 0 0 (0–1.4) 0 0 (0–1.4) 0 0 (0–1.4)
280 Sudan 0 0 (0–1.4) 0 0 (0–1.4) 0 0 (0–1.4) 0 0 (0–1.4)
Hypsignathus 
monstrosus 185 Zaire 3 1.6 (0.6–4.7) 3 1.6 (0.6–4.7) 0 0 (0–2.0) 1 0.5 (0.05–3.0)
185 Sudan 8 4.3 (2.2–8.3) 8 4.3 (2.2–8.3) 3 1.6 (0.6–4.7) 2 1.1(0.3–3.9)
Lissonycteris 
angolensis 84 Zaire 2 2.4 (0.7–8.3) 2 2.4 (0.7–8.3) 0 0 (0–4.4) 0 0 (0–4.4)
84 Sudan 0 0 (0–4.4) 0 0 (0–4.4) 0 0 (0–4.4) 0 0 (0–4.4)
Megaloglossus 
woermanni 20 Zaire 0 0 (0–16.1) 0 0 (0–16.1) 0 0 (0–16.1) 0 0 (0–16.1)
20 Sudan 0 0 (0–16.1) 0 0 (0–16.1) 0 0 (0–16.1) 0 0 (0–16.1)
Micropteropus 
pusillus 64 Zaire 0 0 (0–5.7) 0 0 (0–5.7) 0 0 (0–5.7) 0 0 (0–5.7)
64 Sudan 1 1.6 (0.3–8.3) 1 1.6 (0.3–8.3) 0 0 (0–5.7) 0 0 (0–5.7)
Myonycteris 
torquata 56 Zaire 0 0 (0–6.4) 0 0 (0–6.4) 0 0 (0–6.4) 0 0 (0–6.4)
56 Sudan 0 0 (0–6.4) 0 0 (0–6.4) 0 0 (0–6.4) 0 0 (0–6.4)
Rousettus aegyptiacus 359 Zaire 9 2.5 (1.3–4.7) 9 2.5 (1.3–4.7) 0 0 (0–1.1) 2 0.6 (0.2–2.0)
359 Sudan 5 1.4 (0.6–3.2) 5 1.4 (0.6–3.2) 0 0 (0–1.1) 3 0.8 (0.3–2.4)
Scotonycteris 
zenkeri* 1 Zaire 0 0 0 0
1 Sudan 0 0 0 0

*Percentages were not calculated because the number of samples collected was too low.

Main Article

1These first authors contributed equally to this article.

2These senior authors contributed equally to this article.

Page created: November 20, 2018
Page updated: November 20, 2018
Page reviewed: November 20, 2018
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