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Volume 31, Number 5—May 2025
Synopsis

Outbreak of Marburg Virus Disease, Equatorial Guinea, 2023

Stephanie NgaiComments to Author , Egmond Samir Evers, Angela Katherine Lao Seoane, George Ameh, Julienne N. Anoko, Céline Barnadas, Mary J. Choi, Janet Diaz, Luca Fontana, Pierre Formenty, Ingrid Hammermeister Nezu, Frédérique Jacquerioz, John Klena, Henry Laurenson-Schafer, Olivier le Polain de Waroux, Anaïs Legand, Raquel Medialdea Carrera, Tatiana Metcalf, Joel Montgomery, Silvia Morreale, María E. Negrón, Justino Obama Nvé, Mitoha Ondo’o Ayekaba, Boris I. Pavlin, Trevor Shoemaker, Yaimara Torres Hernandez, Mabel Varona Venta, Emily Z. Gutierrez, Florentino Abaga Ondo Ndoho, and on behalf of the Marburg Virus Disease Outbreak Response Working Group1
Author affiliation: World Health Organization, Geneva, Switzerland (S. Ngai, E.S. Evers, A.K. Lao Seoane, G. Ameh, J.N. Anoko, C. Barnadas, J. Diaz, L. Fontana, P. Formenty, I. Hammermeister Nezu, H. Laurenson-Schafer, O. le Polain de Waroux, A. Legand, R. Medialdea Carrera, T. Metcalf, S. Morreale, B.I. Pavlin, Y. Torres Hernandez); Centers for Disease Control and Prevention, Atlanta, Georgia, USA (M.J. Choi, J. Klena, J. Montgomery, M.E. Negrón, T. Shoemaker, E.Z. Gutierrez); Hôpitaux Universitaires de Genève, Geneva (F. Jacquerioz); Ministerio de Sanidad y Bienestar Social, Malabo, Equatorial Guinea (J.O. Nvé, M. Ondo’o Ayekaba, F. Abaga Ondo Ndoho); Brigada Médica Cubana, Malabo (M. Varona Venta).

Main Article

Table

Reported symptoms among case-patients with Marburg virus disease, Equatorial Guinea, January–April 2023*

Symptom Death, confirmed Survivor, confirmed Total, confirmed Total, probable Total, confirmed and probable
Fever 12/12 (100.0) 4/4 (100.0) 16/16 (100.0) 16/18 (88.9) 32/34 (94.1)
Abdominal pain 3/4 (75.0) 3/3 (100.0) 6/7 (85.7) ND 6/7 (85.7)
Fatigue 8/12 (66.7) 4/4 (100.0) 12/16 (75.0) 10/18 (55.6) 22/34 (64.7)
Nausea/vomiting 8/11 (72.7) 2/4 (50.0) 10/15 (66.7) 16/18 (88.9) 26/33 (78.8)
Anorexia/loss of appetite 5/10 (50.0) 4/4 (100.0) 9/14 (64.3) 2/4 (50.0) 11/18 (61.1)
Convulsions 5/5 (100.0) 0/3 (0.0) 5/8 (62.5) ND 5/8 (62.5)
Rash 0/2 (0.0) 3/3 (100.0) 3/5 (60.0) ND 3/5 (60.0)
Any hemorrhagic sign 8/12 (66.7) 0/4 (0.0) 8/16 (50.0) 13/21 (61.9) 21/37 (56.8)
Joint or muscle pain 3/10 (30.0) 3/4 (75.0) 6/14 (42.9) 7/18 (38.9) 13/32 (40.6)
Headache 4/9 (44.4) 1/4 (25.0) 5/13 (38.5) 2/5 (40.0) 7/18 (38.9)
Conjunctivitis 2/3 (66.7) 0/3 (0.0) 2/6 (33.3) ND 2/6 (33.3)
Hematemesis 4/11 (36.4) 0/4 (0.0) 4/15 (26.7) 13/18 (72.2) 17/33 (51.5)
Difficulty breathing 3/11 (27.3) 0/4 (0.0) 3/15 (20.0) 2/18 (11.1) 5/33 (15.2)
Difficulty swallowing 0/9 (0.0) 2/4 (50.0) 2/13 (15.4) 0/4 (0.0) 2/17 (11.8)
Bloody diarrhea 2/9 (22.2) 0/4 (0.0) 2/13 (15.4) 12/18 (66.7) 14/31 (45.2)
Diarrhea 2/11 (18.2) 0/4 (0.0) 2/15 (13.3) 15/18 (83.3) 17/33 (51.5)

*Values are no./no. (%). Denominators exclude case-patients where information on the symptom was unknown or not collected. ND, no data were available.

Main Article

1Members of this group are listed at the end of this article.

Page created: March 12, 2025
Page updated: April 03, 2025
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