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Table 3 Distribution of Anopheles gambiae s.s. molecular forms in the study area.

From: Anopheles gambiae complex along The Gambia river, with particular reference to the molecular forms of An. gambiae s.s

Site code Village Date N M (%) CIs S (%) CIs M/S (%) CIs
  LRA-W         
1 Kartong 2–3/10/06 72 95 8 88.4–98.6 2.8 0.8–9.6 1.4 0.2–7.5
2 Mandinaba 9–10/11/2005 & 20/11/05 2 50.0 n/c 50.0 n/c 0.0 n/c
2 Mandinaba 28/09/05 to 2/10/06 106 58.5 49–67.4 37.7 29.1–47.2 3.8 1.5–9.3
3 Jiboro Kuta 27/9/06 12 91.7 64.6–98.5 8.3 1.5–35.4 0.0 0–24.2
  LRA-S         
5 Tankular 13–14–15/11/05 14 85.7 60.1–96 7.1 1.3–31.5 7.1 1.3–31.5
5 Tankular 17–18/08/06 165 97.6 93.9–99.1 1.8 0.6–5.2 0.6 0.1–3.4
6 Keneba 12/10/05 24 95.8 79.8–99.3 4.2 0.7–20.3 0.0 0–13.8
6 Keneba 19/08/06 38 97.4 86.5–99.5 2.6 0.5–13.5 0.0 0–9.2
  LRA-N         
7 Hamdalai 25/9/06 103 66.0 56.4–74.4 27.2 19.5–36.5 6.8 3.3–13.4
8a Sare Samba Sowe 12–15/8/06 100 20.0 13.3–28.9 73.0 63.6–80.7 7.0 3.4–13.7
8b Sare Samba Sowe 19–20/9/06 155 54.2 46.3–61.8 43.9 36.3–51.7 1.9 0.6–5.5
8 Sare Samba Sowe 2006 2006 255 40.8 34.9–46.9 55.3 49.1–61.3 3.9 2.1–7.1
9 Sare Illo Buya 14/8/06 30 50.0 33.2–66.9 33.3 19.2–51.2 16.7 7.3–33.6
10 Dai Mandinka 14/10/2006 24 100.0 86.2–100 0.0 0–13.8 0.0 0–13.8
11 Jajari 13/10/2006 20 95.0 76.4–99.1 5.0 0.9–23.6 0.0 0–16.1
12 Yallal 12–15/10/06 93 95.7 89.5–98.3 4.3 1.7–10.5 0.0 0–4
13 Ker Madi 13–14/10/05 68 100.0 94.7–1 0.0 0–5.3 0.0 0–5.3
13 Ker Madi 14/10/05 5 100.0 56.6–1 0.0 0–43.5 0.0 0–43.5
13 Ker Madi 11–13/08/06 27 96.3 81.7–99.3 3.7 0.6–18.3 0.0 0–12.5
14 Kalataba 13/08/06 25 76.0 56.6–88.5 20.0 8.9–39.1 4.0 0.7–19.5
15 Ballingho 13/10/05 34 97.1 85.1–99.5 0.0 0–10.2 2.9 0.5–14.9
15 Ballingho 13/10/05 5 100.0 56.6–100 0.0 0–43.5 0.0 0–43.5
  CRA         
16 Teneng Fara 23–24/08/06 179 100.0 97.9–100 0.0 0–2.1 0.0 0–2.1
17 Wellingara Kejaw 17/10/05 & 16/11/05 6 100.0 61–100 0.0 0–39 0.0 0–39
17 Wellingara Kejaw 21–22/8/06 47 100.0 92.4–100 0.0 0–7.6 0.0 0–7.6
17 Wellingara Kejaw 22/8/06 18 100.0 82.4–100 0.0 0–17.6 0.0 0–17.6
18 Walikunda 22/8/06 10 100.0 72.3–100 0.0 0–27.8 0.0 0–27.8
19 Saruja 17/10/05 & 16/11/05 19 100.0 83.2–100 0.0 0–16.8 0.0 0–16.8
20 Darou Wallof 8–9/09/06 178 98.9 96–99.7 1.1 0.3–4 0.0 0–2.1
  URA         
21 Kabakamma 18/10/05 & 28/10/05 1 100.0 n/c 0.0 n/c 0.0 n/c
22 Tinkinjo 18/10/05 & 28–10/05 6 83.3 43.7–97 0.0 0–39 16.7 3–56.4
22 Tinkinjo 25/08/06 12 91.7 64.6–98.5 8.3 1.5–35.4 0.0 0–24.3
23 Touba Tafsir 28/10/05 to 1/11/05 31 87.1 71.2–95 12.9 5.1–28.9 0.0 0–11
23 Touba Tafsir 28/10/05 to 1/11/05 33 90.9 76.4–96.9 9.1 3.1–23.6 0.0 0–10.4
24 Limbanbulu Yamadou 30/08/06 & 1/09/06 179 95.0 90.7–97.3 3.9 1.9–7.9 1.1 0.3–4
25 Kusunu 27/08/06 37 94.6 82.3–98.5 5.4 1.5–17.7 0.0 0–9.4
26 Kantel Kunda 27/08/06 13 30.8 12.7–57.6 61.5 35.5–82.3 7.7 1.4–33.3
  TAM         
27 Jingoreh Mafy 21/10/2005 & 24/10/05 13 7.7 1.4–33.3 92.3 66.7–98.6 0.0 0–22.8
27 Jingoreh Mafy 10/09/06 67 28.4 19–40.1 71.6 59.9–81 0.0 0–5.4
28 Jingoreh Babagaleh 21/10/05 1 0.0 n/c 100.0 n/c 0.0 n/c
29 Amdalaye pont 11/9/06 & 16/9/06 80 7.5 3.5–15.4 91.3 83–95.7 1.3 0.2–6.8
  WAS         
30 Touba Badi 25/10/05 1 100.0 n/c 0.0 n/c 0.0 n/c
31 Wassadou 22&25/10/05 12 33.3 13.8–60.9 66.7 39.1–86.2 0.0 0–24.3
31 Wassadou 7/09/06 & 15/09/06 15 0.0 0–20.4 100.0 79.6–100 0.0 0–20.4
32 Laboya 15/09/06 67 6.0 2.4–14.4 94.0 85.6–97.7 0.0 0–5.4
  KED         
33 Silling 14/9/06 56 0.0 0–6.4 100.0 93.6–100 0.0 0–6.4
34 Samecouta 26–27/10/05 13 7.7 1.4–33.3 92.3 66.7–98.6 0.0 0–22.8
34 Samecouta 12–13/9/06 141 5.0 2.4–9.9 94.3 89.2–97.1 0.7 0.1–3.9
35 Laminia 27/10/05 7 14.3 2.6–51.3 71.4 35.9–91.8 14.3 2.6–51.3
  1. Relative frequencies (95% Confidence Intervals, CIs) of M-form, S-form and M/S-hybrids in sampling sites, numbered accordingly to Table 1 and Figures. N = sample size. n/c = not computable. LRA-W = Lower River Area-Western, LRA-S = Lower River Area-South Bank, LRA-N = Lower River Area-North Bank, CRA = Central River Area, URA = Upper River Area, TAM = Tambacounda, WAS = Wassadou, KED = Kedougou.