| Country | Age group (sample size) | Number of articles | Prevalence (%) | Detection method | References |
| Uganda | Children <5 (226) | 1 | 9.3 (C. jejuni: 80.9%; C. coli: 4.8%) | Culture, biochemical | [34] | Tanzania | Children <5 (1,512) | 5 | 8.8 (2.6–19) (C. jejuni: 89.2%; C. coli: 9.8%) | Culture, biochemical, Gram staining, molecular | [8, 35–38] | Kenya | Children <5 (2,550) | 1 | 16.4 | Culture, biochemical, serotyping | [39] | Rwanda | Children <5 (706) | 1 | 15.5 (C. jejuni: 100%) | Molecular | [40] | Madagascar | Children <5 (5,620) | 2 | 9.4 (9.3–9.5) (C. jejuni: 73.6; C. coli: 24.3%) | Culture, serotyping, molecular | [41, 42] | Burkina Faso | Children <5 (283) | 1 | 2 (C. jejuni: 60%; C. coli: 40%) | Culture, molecular | [43] | Ethiopia | Children <5 (670) | 2 | 14.5 (12.7–16.7) (C. jejuni: 71.1%; C. coli: 21.1%) | Culture, biochemical, Gram staining | [25, 44, 45] | Nigeria | Children <5 (1,311) | 3 | 4.4 (0.5–8.2) (C. jejuni: 28%; C. coli: 72%) | Culture, biochemical, biotyping, Gram staining | [46–48] | Niger | Children <5 (260) | 1 | 11.4 (C. jejuni: 100%) | Culture, biochemical, Gram staining | [49] | Mozambique | Children <5 (529) | 1 | 1.7 | Culture, biochemical, Gram staining | [50] | Cameroon | Children <5 (260) | 1 | 9.6 (C. jejuni: 100%) | Culture, biochemical, Gram staining | [51] | Botswana | Under 15 years | 1 | 14 | Molecular | | Tanzania | All ages (2,487) | 4 | 11.1 (1.9–21.6) (C. jejuni: 93.3%; C. coli: 6.1%) | Culture, biochemical, Gram staining, molecular | [26, 52–54] | Kenya | All ages (4,274) | 2 | 9.2 (8.5–9.8) (C. jejuni: 76.2; C. coli: 12.7%) | Culture | [55, 56] | Burkina Faso | All ages (1,246) | 1 | 2.3 (C. jejuni: 51.8%; C. coli: 13.8%) | Culture, biochemical, Gram staining | [57] | Ethiopia | All ages (640) | 2 | 9.8 (8–11.6) (C. jejuni:94.1%; C. coli: 5.9%) | Culture, biochemical, Gram staining | [58, 59] | Nigeria | All ages (150) | 1 | 62.7 (C. jejuni: 24.5%; C. coli: 62.3%) | Culture, biochemical, Gram staining | [60] | Ghana | All ages (202) | 1 | 17.3 (C. jejuni: 42.8%; C. coli: 37%) | Culture, biochemical, Gram staining | [61] | Malawi | All ages (1,941) | 1 | 21 (C. jejuni: 85%; C. coli: 14%) | Molecular | [62] | South Africa | All ages (565) | 1 | 20.3 (C. jejuni: 85%; C. coli: 15%) | Culture, biochemical, molecular | [63] |
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