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Volume 19, Number 9—September 2013

Letter

Chikungunya Virus Infection, Brazzaville, Republic of Congo, 2011

Jean-Vivien Mombouli, Patrick Bitsindou, Darrel O.A. Elion, Allen Grolla, Heinz Feldmann, Fabien R. Niama, Henri-Joseph Parra, and Vincent J. MunsterComments to Author 
Author affiliations: Laboratoire National de Santé Publique, Brazzaville, Republic of Congo (J.-V. Mombouli, D.O.A. Elion; F.R. Niama; H.-J. Parra); Université Marien Ngouabi, Brazzaville (J.-V. Mombouli, F.R. Niama); Délégation Générale à la Recherche Scientifique et Technologique, Brazzaville (P. Bitsindou); Public Health Agency of Canada, Winnipeg, Manitoba, Canada (A. Grolla); National Institutes of Health, Hamilton, Montana, USA (H. Feldmann, V.J. Munster)

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Table

Detection of virus genomic RNA in patient serum samples, Brazzaville, Republic of Congo, June 2011*

Patient sample ID Virus, Ct
Malaria Ct
Chikungunya Yellow fever Dengue
1† 25.62 >40 >40 >40
2 >40 >40 >40 32.33
3 17.55 >40 >40 >40
4 37.91 >40 >40 >40
5 21.36 >40 >40 >40
6 21.00 >40 >40 >40
7 20.26 >40 >40 >40
8 19.78 >40 >40 >40
9 >40 >40 >40 33.71
10 25.77 >40 >40 >40
11‡ 21.20 >40 >40 >40
12 22.98 >40 >40 >40
13 29.97 >40 >40 >40
14 23.50 >40 >40 >40
15§ 31.97 >40 >40 >40
16 31.44 >40 >40 >40
17 33.54 >40 >40 >40
18 31.83 >40 >40 >40
19 34.63 >40 >40 >40
20 34.90 >40 >40 >40
21 33.46 >40 >40 >40
22 29.18 >40 >40 >40
23 33.16 >40 >40 >40

*Except as otherwise indicated, all samples were collected on June 27, 2011. ID, identification; A Ct cutoff value of <40 was considered positive. Ct, cycle threshold.
†Collected on June 23, 2011.
‡Collected on June 24, 2011.
§Collected on June 27, 2011.

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