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Volume 20, Number 6—June 2014

Dispatch

Timeliness of Yellow Fever Surveillance, Central African Republic

Antoine Rachas1, Emmanuel Nakouné, Julie Bouscaillou, Juliette Paireau, Benjamin Selekon, Dominique Senekian, Arnaud Fontanet, and Mirdad KazanjiComments to Author 
Author affiliations: Institut Pasteur, Bangui, Central African Republic (A. Rachas, E. Nakouné, J. Bouscaillou, B. Selekon, M. Kazanji); Institut Pasteur, Paris, France (A. Rachas, J. Bouscaillou, J. Paireau, A, Fontanet); Ministry of Health, Bangui, (D. Senekian); Conservatoire National des Arts et Métiers, Paris (A. Fontanet)

Main Article

Table 1

Characteristics of 3,220 case-patients with suspected yellow fever, Central African Republic, 2007–2012*

Characteristic Suspected case-patients, n = 3,220 Confirmed case-patients, n = 55 Ruled out case-patients, n = 3,165 p value
Age, y
<14 1,017 (31.7) 9 (16.4) 1,008 (32.0) NA
15–24 882 (27.5) 22 (40.0) 860 (27.3) NA
25–34 673 (21.0) 16 (29.1) 657 (20.9) NA
≥35 633 (19.8) 8 (14.6) 625 (19.8) 0.020
Median (IQR)
21 (10–30)
23 (17–28)
21 (10–31)
0.32
Sex
M 1,851 (57.5) 35 (63.6) 1,816 (57.4) NA
F
1,366 (42.5)
20 (36.4)
1,346 (42.6)
0.36
Onset during rainy season
No 1,446 (45.4) 27 (50.0) 1,419 (45.3) NA
Yes
1,738 (54.6)
27 (50.0)
1,711 (54.7)
0.50
Province of residence
Bangui 1,053 (32.7) 11 (20.0) 1,042 (32.9) NA
Ombella M’Poko 794 (24.7) 30 (54.5) 764 (24.1) NA
Lobaye 189 (5.9) 5 (9.1) 184 (5.8) NA
Sangha Mbaéré 20 (0.6) 0 20 (0.6) NA
Mambéré Kadéi 43 (1.3) 0 43 (1.4) NA
Nana Mambéré 40 (1.2) 0 40 (1.3) NA
Ouham Péndé 178 (5.5) 1 (1.8) 177 (5.6) NA
Ouham 111 (3.5) 0 111 (3.5) NA
Nana Grigbizi 71 (2.2) 0 71 (2.2) NA
Kemo 88 (2.7) 0 88 (2.8) NA
Bamingui Bangoran 23 (0.7) 0 23 (0.7) NA
Ouaka 188 (5.8) 1 (1.8) 187 (5.9) NA
Basse Kotto 178 (5.3) 4 (7.3) 174 (5.5) NA
Vakaga 33 (1.0) 0 33 (1.0) NA
Haute Kotto 114 (3.5) 3 (5.5) 111 (3.5) NA
Mbomou 78 (2.4) 0 78 (2.5) NA
Haut Mbomou
19 (0.6)
0
19 (0.6)
NC
Vaccination against yellow fever
Never 2,301 (71.5) 28 (50.9) 2,273 (71.8) NA
>10 y ago 160 (5.0) 3 (5.5) 157 (5.0) NA
≤10 y ago 705 (21.9) 11 (20.0) 694 (21.9) NA
Unknown date 54 (1.7) 13 (23.6) 41 (1.3) <0.001

*Values are no. (%) except as indicated. NA, not applicable; IQR, interquartile range; NC, not computable.

Main Article

1Current affiliation: European Hospital Georges Pompidou and Descartes University, Paris, France.

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