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Volume 20, Number 8—August 2014
Dispatch

Geographic Distribution of MERS Coronavirus among Dromedary Camels, Africa

Chantal B.E.M. Reusken1Comments to Author , Lilia Messadi1, Ashenafi Feyisa1, Hussaini Ularamu1, Gert-Jan Godeke, Agom Danmarwa, Fufa Dawo, Mohamed Jemli, Simenew Melaku, David Shamaki, Yusuf Woma, Yiltawe Wungak, Endrias Zewdu Gebremedhin, Ilse Zutt, Berend-Jan Bosch, Bart L. Haagmans, and Marion P.G. Koopmans
Author affiliations: Netherlands Centre for Infectious Disease Control, Bilthoven, the Netherlands (C.B.E.M. Reusken, G.-J. Godeke, I. Zutt, M.P.G. Koopmans); Erasmus Medical Center, Rotterdam, the Netherlands (C.B.E.M. Reusken, B.L. Haagmans, M.P.G. Koopmans); National Veterinary Medicine School, University of La Manouba, Sidi Thabet, Tunisia (L. Messadi, M. Jemli); Addis Ababa University College of Veterinary Medicine and Agriculture, Bishoftu, Ethiopia (A. Feyisa, F. Dawo, S. Melaku, E. Z. Gebremedhin); National Veterinary Research Institute, Vom, Nigeria (H. Ularamu, A. Danmarwa, D. Shamaki, Y. Woma, Y. Wungak); Faculty of Veterinary Medicine, Utrecht University, Utrecht, the Netherlands (B.-J. Bosch); 1These authors contributed equally to this article.

Main Article

Table 2

Background data and Middle East respiratory syndrome coronavirus serology results of selected camel serum samples from Nigeria, Ethiopia, and Tunisia*

Country, Sample ID Region Age Sex MERS S1* (1:20) MERS S1 (1:320) MERS (1:640) VNT
Nigeria
1 Kano 7 M 63410 52,254 NT 640
2 Kano 2 F 63,022 10,998 4,585 320
3 Adamawa 6 M 63,146 41,200 20,627 1,280
4 Kano 2 M 63,213 63,331 63,353 1,280
5 Sokoto 2 F 63,123 8,215 – 80
6 Borno 7 M 63,173 13,873 7,471 160
7 Borno 6 F 63,065 63,065 NT 2,560
8 Sokoto 7 F 64,118 63,285 54,669 640
9 Borno 6 M 63,592 28,033 NT 80
10 Sokoto 6 F 64,176 63,427 35,190 640
11 Sokoto 2 F – NT NT <20
12 Adamawa 7 M – NT NT <20
13 Unknown 7 M – NT NT <20
14
 Kano
 7
 M
 –
 NT
 NT
 <20
Ethiopia
1 Somali 5 F 63,592 63,357 50,563 640
2 Afar 6 F 63,341 63,005 NT 2,560
3 Afar 13 F 63,366 63,205 63,467 1,280
4 Afar 10 F 63,206 63,299 NT 640
5 Afar 5 F 63,466 10,583 5,911 160
6 Fentale <4 M 63,408 63,480 60,135 1,280
7 Afar 4 F 63,476 33,909 19,161 80
8 Afar 4 F – NT NT <20
9 Afar 2 M – NT NT <20
10 Afar 1 F 10,937 NT NT <20
11 Afar 3 F 18,269 NT NT <20
12 Fentale >8 F 63,486 23,654 10,246 1,280
13 Afar 6 F 63,496 63,380 53,030 1,280
14
 Afar
 1
 F
 63,401
 19,087
 9,834
 80
Tunisia
1 Sidi Bouzid 8 F – NT NT <20
2 Sidi Bouzid 8 F 63,217 20,620 NT 80
3 Sidi Bouzid 6 F – NT NT <20
4 Sidi Bouzid 1 M – NT NT <20
5 Kebili 7 M 63,139 – – 320
6 Kebili 4 M 63,113 – – 160
7 Sidi Bouzid 1 M – NT NT <20
8 Sidi Bouzid 9 F 63,005 17,821 9,652 80
9 Sidi Bouzid 6 F – NT NT <20
10 Kebili 4 M 63,120 18,320 9,732 160
11 Sidi Bouzid <1 M – NT NT <20
12 Sidi Bouzid 2 F 63,060 63,236 63,366 2,560
13 Sousse 13 F 63,220 50,510 26,575 320
14 Sidi Bouzid 5 F – NT NT <20

*MERS S1, Middle East respiratory syndrome coronavirus S1 micro-array. Serum dilutions tested 1:20, 1:320 or 1:640. Results expressed as relative mean fluorescent intensity (RFU) for each set of quadruplicate spots of antigen, with a cutoff of 4,000 RFU and >63.000 RFU as saturation signal; VNT, virus neutralization test (highest neutralizing serum dilution indicated); NT, not tested; –, negative.

Main Article

1These authors contributed equally to this article.

Page created: July 18, 2014
Page updated: July 18, 2014
Page reviewed: July 18, 2014
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