From: Spatial distribution of the sibling species of Anopheles gambiae sensu lato (Diptera: Culicidae) and malaria prevalence in Bayelsa State, Nigeria
Age range (Yrs)
No of persons examined
No. positive
% positive
0-9
865
100
11.6
10-19
1053
296
28.1
20-29
1588
264
16.6
30-39
1333
646
48.5
40-49
714
228
31.9
50-59
469
134
28.6
≥60
299
28
9.4
Total
6321
1696
27.4