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Volume 26, Number 3—March 2020
Research

Stable and Local Reservoirs of Mycobacterium ulcerans Inferred from the Nonrandom Distribution of Bacterial Genotypes, Benin

Clément Coudereau, Alban Besnard, Marie Robbe-Saule, Céline Bris, Marie Kempf, Roch Christian Johnson, Télésphore Yao Brou, Ronald Gnimavo, Sara Eyangoh, Fida Khater, and Estelle MarionComments to Author 
Author affiliations: Université d’Angers, Angers, France (C. Coudereau, A. Besnard, M. Robbe-Saule, M. Kempf, F. Khater, E. Marion); INSERM, Angers (C. Coudereau, A. Besnard, M. Robbe-Saule, M. Kempf, F. Khater, E. Marion); Centre Hospitalo-Universitaire d’Angers, Angers (C. Bris, M. Kempf); Université d'Abomey Calavi, Abomey Calavi, Benin (R.C. Johnson); Fondation Raoul Follereau, Paris, France (R.C. Johnson); Maison de la Télédétection, Montpellier, France (T.Y. Brou); Centre de Diagnostic et Traitement de la Lèpre et de l’Ulcère de Buruli, Pobè, Bénin (R. Gnimavo); International Pasteur Institute Network, Yaoundé, Cameroon (S. Eyangoh)

Main Article

Table 2

Cluster detection analysis for predominance of subgenotypes of Mycobacterium ulcerans genotype 8, Benin*

Spatial cluster
 Radius, km2
 LLR
 Ob
 Subgenotype
8.0
 8.1
 8.2
 8.3
 8.4
 8.5
 8.6
RR (%)
RR (%)
RR (%)
RR (%)
RR (%)
RR (%)
RR (%)
Cluster 1 14.7 15.7 39 0.7 (38.5) 4.3 (10.3) Inf (12.8) 2.69 (12.8) 1.08 (7.7) Inf (15.4) 0.1 (2.6)
Cluster 2 20.0 17.3 30 1.2 (53.3) 0 (0) 0 (0) 0 (0) 1.7 (10) 0 (0) 9.4 (36.7)

*Percentages indicate falling in each group within a cluster. Inf, infinite; LLR: log likelihood ratio; Ob, number of observations in a cluster; RR, relative risk, computed as the ratio of the proportions of the number of Buruli ulcer cases in each category out of the total number of cases inside the cluster versus outside.

Main Article

Page created: February 20, 2020
Page updated: February 20, 2020
Page reviewed: February 20, 2020
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