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Volume 27, Number 12—December 2021

Evaluation of Early Warning, Alert and Response System for Ebola Virus Disease, Democratic Republic of the Congo, 2018–2020

Mory KeitaComments to Author , Héloïse Lucaccioni, Michel Kalongo Ilumbulumbu, Jonathan Polonsky, Justus Nsio-Mbeta, Gaston Tshapenda Panda, Pierre Celeste Adikey, John Kombe Ngwama, Michel Kasereka Tosalisana, Boubacar Diallo, Lorenzo Subissi, Adama Dakissaga, Iris Finci, Maria Moitinho de Almeida, Debarati Guha-Sapir, Ambrose Talisuna, Alexandre Delamou, Stephanie Dagron, Olivia Keiser, and Steve Ahuka-Mundeke
Author affiliations: Institute of Global Health, University of Geneva, Geneva, Switzerland (M. Keita, J. Polonsky, S. Dagron, O. Keiser); World Health Organization Regional Office for Africa, Brazzaville, Congo (M. Keita, A. Talisuna); European Centre for Disease Prevention and Control, Stockholm, Sweden (H. Lucaccioni, I. Finci); Ministère Provincial de la Santé, Goma, Democratic Republic of the Congo (M.K. Ilumbulumbu, M.K. Tosalisana); World Health Organization, Geneva (J. Polonsky, L. Subissi); Ministère de la Santé, Direction Générale de la Lutte contre la Maladie, Kinshasa, Democratic Republic of the Congo (J. Nsio-Mbeta, G.T. Panda, P.C. Adikey, J.K. Ngwama); Ministère de la Santé, Direction Régionale de la Sante du Plateau central, Ziniaré, Burkina Faso (A. Dakissaga); Centre for Research on Epidemiology of Disasters, Research Institute on Health and Society, Université Catholique de Louvain, Brussels, Belgium (M.M. de Almeida, D. Guha-Sapir); Africa Center of Excellence (CEA-PCMT), University Gamal Abdel Nasser, Conakry, Guinea (A. Delamou); Institut National de Recherche Biomédicale, Kinshasa (S. Ahuka-Mundeke)

Main Article

Table 1

Characteristics of Ebola virus disease alerts received in Beni subcoordination, Democratic Republic of the Congo, August 5, 2018–June 30, 2020

Characteristic No. (%) alerts, n = 194,768
2018 3,211 (1.6)
2019 67,579 (34.7)
123,978 (63.7)
Final alert status
Invalidated 163,606 (84.0)
Validated 30,728 (15.8)
Not investigated
434 (0.2)
Alert initial status
Deceased 5,230 (2.7)
189,538 (97)
Final case classification
Not a case 193,964 (99.6)
Confirmed case 801 (0.4)
3 (<0.1)
Source of alert
Active case finding 121,970 (62.6)
Health structure 36,911 (19.0)
Community 28,928 (15.0)
Other surveillance sites
6,959 (3.6)
Health zone
Beni 167,503 (86.0)
Mutwanga 12,891 (6.6)
14,374 (7.4)
F 109,605 (56.3)
M 84,442 (43.4)
721 (0.4)
Age group
0–4 45,934 (23.6)
5–9 22,220 (11.4)
10–19 36,825 (18.9)
20–29 37,945 (19.5)
30–39 21,975 (11.3)
40–49 11,186 (5.7)
50–59 6,668 (3.4)
>60 8,679 (4.5)
3,336 (1.7)
Known contact of confirmed or probable case
No 194,052 (99.6)
Yes 672 (0.3)
Unknown 44 (0.1)

Main Article

Page created: October 22, 2021
Page updated: November 19, 2021
Page reviewed: November 19, 2021
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