Seasonal Patterns of Mpox Index Cases, Africa, 1970–2021
Camille Besombes
, 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)
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Figure 1
Figure 1. Distribution of cases in study of seasonal patterns of Mpox index cases, Africa, 1970–2021. A) Map of mpox index case sites and month recorded; black horizontal line indicates equator. B) Boxplot of latitude of index case according to month of occurrence. Red dashed line indicates the median latitude of index cases; red solid line indicates the equator (latitude = 0). The thick black line indicates the median latitude, and the box tops and bottom indicate the upper quartile (above) and the lower quartile (below). Whiskers extend from upper quartile to upper quartile+1.5 interquartile range and extend down from lower quartile to lower quartile−1.5 interquartile range. Solid black dots signify outlying observations beyond whiskers range; blue circles identify all other observations.
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