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Volume 30, Number 5—May 2024
Dispatch

Seasonal Patterns of Mpox Index Cases, Africa, 1970–2021

Camille BesombesComments to Author , Festus Mbrenga, Ella Gonofio, Christian Malaka, Cedric-Stephane Bationo, Jean Gaudart, Manon Curaudeau, Alexandre Hassanin, Antoine Gessain, Romain Duda, Tamara Giles Vernick, Arnaud Fontanet, Emmanuel Nakouné, and Jordi Landier
Author affiliations: Institut Pasteur, Paris, France (C. Besombes, A. Gessain, R. Duda, T. Giles Vernick, A. Fontanet); Institut Pasteur de Bangui, Bangui, Central African Republic (F. Mbrenga, E. Gonofio, C. Malaka, E. Nakouné); Aix Marseille Univ, Marseille, France (C.-S. Bationo, J. Gaudart),; Institut de Recherche pour le Développement, Marseille (J. Landier); National Museum of Natural History, Paris (M. Curaudeau, A. Hassanin); Conservatoire National des Arts et métiers, Paris (A. Fontanet)

Main Article

Table

Location and case characteristics in a study of seasonal patterns of mpox index cases, Africa, 1970–2021

Variable No. (%) cases, n = 133
Country
Cameroon 7 (5.3)
Central African Republic 44 (33)
Democratic Republic of the Congo 58 (44)
Gabon 2 (1.5)
Ivory Coast 1 (0.8)
Liberia 5 (3.8)
Nigeria 3 (2.3)
Republic of Congo 8 (6.0)
Sierra Leone 4 (3.0)
South Sudan
1 (0.8)
Timeframe
1970–1980 35 (26)
1981–1990 8 (6.0)
1991–2000 5 (3.8)
2001–2010 16 (12)
2011–2021
69 (52)
Strain
Clade I 115 (86)
Clade II 17 (13)
Unknown
1 (0.8)
Outbreak month
January 15 (11)
February 20 (15)
March 12 (9.0)
April 6 (4.5)
May 7 (5.3)
June 5 (3.8)
July 3 (2.3)
August 14 (11)
September 16 (12)
October 9 (6.8)
November 14 (11)
December
12 (9.0)
Climate or seasonality profile
Northern hot, wet-dry 23 (17)
Northern cool, wet-dry 47 (35)
Equatorial cool 44 (33)
Southern hot, wet-dry 14 (11)
Other
5 (3.8)
Landscape profile
Open forest + river or wetlands 23 (17)
Evergreen closed forest 68 (51)
Deciduous forest, closed or open 26 (20)
Grassland + hills 11 (8.3)
Other
5 (3.8)
Combined environmental profile
Evergreen closed forest + warm night 80 (60)
Evergreen open forest + high precipitation 10 (7.5)
Southern tropical, grassland + hills 14 (11)
Deciduous forest + hot month of January 24 (18)
Other 5 (3.8)

Main Article

Page created: March 28, 2024
Page updated: April 24, 2024
Page reviewed: April 24, 2024
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.
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