|
Year
|
Area of infected snail habitat (ha)
|
Density of infected snails (/0.1m2)
|
Human sero-examination
|
Human stool examination
|
Livestock examination
|
|---|
| | | |
No. examined
|
Prevalence (%)
|
No. examined
|
Prevalence (%)
|
No. examined
|
Prevalence (%)
|
|---|
|
2003
|
1272.686
|
0.849
|
18261
|
1.659
|
303
|
4.29
|
1001
|
0.3
|
|
2004
|
1649.19
|
0.374
|
25750
|
4.726
|
1217
|
5.177
|
988
|
0.405
|
|
2005
|
1110.31
|
0.438
|
27933
|
4.493
|
1255
|
1.673
|
834
|
0.959
|
|
2006
|
758.051
|
0.616
|
42537
|
2.591
|
1102
|
2.904
|
641
|
0.624
|
|
2007
|
516.948
|
0.263
|
43907
|
1.635
|
718
|
3.9
|
708
|
0.282
|
|
2008
|
97.186
|
0.268
|
16940
|
1.305
|
221
|
4.977
|
542
|
0
|
