Country | Study period | n | n+ | % | 95% CI | Species | Groups studied | Reference |
---|---|---|---|---|---|---|---|---|
Burkina Faso | na | 1587 | na | 2.1 | na | N | Community volunteers | [39] |
Cameroon | 08/1999–04/2000 | 3109 | 1 | 0.03 | 0.006–0.18 | Ya | Community volunteers | [35] |
Cameroon | 03/2012–07/2012 | 396 | na | 0.25 | na | N | Patients consulting hospital | [40] |
Cameroon | na | 163 | 2 | 1.2 | 0.3–4.4 | N | Pre-school-age children | [41] |
DR Congo | 03/04/2014–07/06/2018 | 602 | 40 | 6.6 | 4.9–8.9 | Yb | School children (6–20 years) | [42] |
Guinea | 04/1995–06/1995 | 800 | na | 3.8 | na | N | Children (10–14 years) | [43] |
Nigeria | 01/02/1997–31/01/1998 | 816 | 8 | 1.0 | 0.50–1.9 | N | Pregnant women | [44] |
Nigeria | 07/02/1998–31/12/1998 | 129 | 3 | 2.3 | 0.8–6.6 | Yb | Patients with complaints of upper abdominal pain, tenderness and indigestion | [45] |
Nigeria | 03/2000–09/2000 | 500 | 16 | 3.2 | 2.0–5.1 | N | Schoolchildren | [46] |
Nigeria | 1/11/2003–30/1/2004 | 60 | 2 | 3.3 | 0.9–11.4 | Yb | Children (2–6 years) attending clinic | [47] |
Nigeria | 11/2004–02/2005 | 232 | 23 | 9.9 | 6.7–14.4 | N | Primary schoolchildren | [48] |
Nigeria | 01/2005–05/2005 | 309 | 5 | 1.6 | [0.7; 3.7] | N | Schoolchildren | [49] |
Nigeria | 06/2005–11/2006 | 1059 | 102 | 9.6 | 8.0–11.6 | N | Schoolchildren | [50] |
Nigeria | 10/2005–03/2006 | 119 | 1 | 0.8 | 0.2–4.6 | N | Outpatients health institutions | [51] |
Nigeria | 1/2006–09/2006 | 73 | 24 | 32.9 | 23.2–44.3 | N | Rural schoolchildren | [17] |
Nigeria | 1/2006–09/2006 | 171 | 19 | 11.1 | 7.2–16.7 | N | Suburban schoolchildren | [17] |
Nigeria | 01/2006–09/2006 | 283 | na | 23.0 | na | N | Primary schoolchildren | [19] |
Nigeria | 06/2006–11/2006 | 818 | 4 | 0.5 | 0.2–1.3 | N | Hospital patients | [52] |
Nigeria | 01/2007–03/2007 | 250 | 1 | 0.4 | 0.07–2.2 | N | Schoolchildren | [53] |
Nigeria | 07/2007–08/2007 | 100 | 13 | 13.0 | 7.8–21.0 | N | Sampling in hostels (faeces sampling in toilets, not from individual participants) | [54] |
Nigeria | 08/2007–08/2009 | 500 | 0 | 0 | 0–0.8 | N | HIV-negative enrolled via HIV outreach programme (in houses and offices) | [18] |
Nigeria | 08/2007–08/2009 | 2000 | 4 | 0.2 | 0.08–0.5 | N | HIV-positive patients attending clinic | [18] |
Nigeria | 01/2008–08/2008 | 50 | 4 | 8 | 3.2–18.8 | N | Villagers | [32] |
Nigeria | 05/2009–07/2009 | 122 | 2 | 1.6 | 0.5–5.8 | N | Abattoir workers | [55] |
Nigeria | 05/2009–07/2009 | 98 | na | 0 | na | N | Control populations | [55] |
Nigeria | 08/2010–12/2010 | 600 | 19 | 3.2 | 2.0–4.9 | N | Schoolchildren | [56] |
Nigeria | 01/2011–12/2011 | 3826 | na | 0.89 | na | N | Primary schoolchildren | [57] |
Nigeria | 06/2011–11/2011 | 220 | na | 5 | na | N | Schoolchildren aged 1–15 years | [58] |
Nigeria | 06/2012–12/2012 | 116 | 10 | 8.6 | 4.7–15.1 | Yb | Food vendors | [59] |
Nigeria | 09/2012–01/2013 | 717 | 5 | 0.7 | 0.3–1.6 | N | Samples from polio surveillance programme | [60] |
Nigeria | 02/2014–06/2014 | 167 | 84 | 50.3 | 42.8–57.8 | N | Pre-school-age children | [20] |
Nigeria | 07/2014–11/2014 | 112 | 3 | 2.7 | 0.9–7.6 | N | Community volunteers | [61] |
Nigeria | na | 750 | 16 | 2.1 | 1.3–3.4 | N | Women (child up to senior) | [62] |
Nigeria | na | 471 | 1 | 0.2 | 0.04–1.2 | N | Primary schoolchildren | [63] |
Nigeria | na | 96 | 1 | 1 | 0.2–5.7 | N | HIV patients | [64] |
Nigeria | na | 168 | 8 | 4.8 | 2.4–9.1 | N | Food vendors | [65] |
Nigeria | na | 296 | 11 | 3.7 | 2.1–6.5 | N | Villagers | [66] |
Nigeria | na | 162 | 2 | 1.2 | 0.3–4.4 | N | Primary schoolchildren | [67] |
Nigeria | na | 400 | 12 | 3.0 | 1.7–5.2 | N | Primary schoolchildren | [68] |
Nigeria | na | 416 | 45 | 10.8 | 8.2–14.2 | N | Nursery and primary school children | [69] |
Senegal | 04/1997 | 400 | na | 3.5 | na | N | Schoolchildren | [70] |
Senegal | 2004 | na | na | 4.6 | na | N | Routine analyses at parasitology laboratory | [71] |
Senegal | 2005 | na | na | 5.6 | na | N | Routine analyses at parasitology laboratory | [71] |
Senegal | 2006 | na | na | 4.0 | na | N | Routine analyses at parasitology laboratory | [71] |
Senegal | 2007 | na | na | 7.0 | na | N | Routine analyses at parasitology laboratory | [71] |
Senegal | 2008 | na | na | 5.5 | na | N | Routine analyses at parasitology laboratory | [71] |
Senegal | 2009 | na | na | 4.1 | na | N | Routine analyses at parasitology laboratory | [71] |