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Table 2 Prevalence of helminth and schistosomiasis infections in standard three school children in Malawi, by ecological area.

From: A national survey of the prevalence of schistosomiasis and soil transmitted helminths in Malaŵi

Nos infected/nos examined [%(range)]

Northern Highland

Central Highland

Central low/lakeshore

South Highland

South low/lakeshore

urban

No. children sampled

257

242

291

261

297

277

Schistosomiasis

S. mansoni

0

-

0

7 [1.3(0–4.3)]

0

0

S. haematobium

15 [7.4(0–14.8)]

6 [2.0(0–5.0)]

28 [9.5(0.4–18.5)]

14 [3.2(0–8.6)]

66 [23.2(3.3–43.1)]

11 [3.4(0–7.8)]

Mixed

-

-

-

1 [0.2(0–0.6)]

-

-

Any infection

15 [7.4(0–14.8)]

6 [2.0(0–5.0)]

28 [9.5(0.4–18.5)]

20 [4.4(0–11.8)]

66 [23.2(3.3–43.1)]

11 [3.4(0–7.8)]

Soil transmitted helminthiasis

Hookworm

7 [2.6(0.7–4.4)]

4 [1.8(0–3.6)]

0

3 [0.7(0–1.8)]

7 [1.9(0–4.0)]

5 [2.0(0–5.6)]

Ascaris

2 [0.5(0–1.5)]

1 [0.6(0–1.6)]

0

2 [0.4(0–1.1)]

2 [0.3(0–1.2)]

11 [5.1(0.6–9.5)]

Trichuris

-

-

-

-

-

-

Any helminths

9 [3.1 (0–6.4)]

5 [2.4(0–5.2)]

0

5 [1.0(0–2.7)]

8 [2.1(0–4.5)]

15 [6.6(1.3–12.0)]