Fifteen Years of Annual Mass Treatment of Onchocerciasis with Ivermectin Have Not Interrupted Transmission in the West Region of Cameroon
Table 3
Comparing mf prevalence among children at baseline (1996) and followup in 2005, 2006, and 2011, three months, six months, and eleven months, respectively, after mass treatment, in West Region, Cameroon.
District
Community
Baseline, 1996 ()
Followup, 2005 ()
Followup, 2006 ()
Followup, 2011 ()
No. Examined
No. positive
% mf positive
No. Examined
No. positive
% mf positive
No. Examined
No. positive
% mf positive
No. exam
No. positive
% mf positive
Bafang
Bakonti-Bakassa
102
13
12.7
74
0
0*
43
0
0.0
167
1
0.6
Bafang
Batchieu
70
4
5.7
4
0
0.0
Baham
Bapi
ND
ND
ND
29
2
6.9
Bandja
Babouantou (Batoula)*
ND
ND
ND
64
7
10.9
14
3
21.4
19
3
15.8
Bangangte
Batchingou*
ND
ND
ND
24
1
4.2
15
2
13.3
21
1
4.8
Bangangte
Ndjipta III (Fop-Tchui)*
ND
ND
ND
63
2
3.2
5
0
0.0
25
0
0.0
Fossang Chefferie
ND
ND
ND
38
0
0.0
4
0
0.0
25
2
8.0
Foumbot
Njone
20
19
95.0
12
3
25*
16
1
6.3
82
24
29.3***
Foumbot
Kousang-Malanden
63
22
34.9
ND
ND
ND
ND
ND
ND
ND
ND
ND
Kekem
Mbafam*
ND
ND
ND
58
0
0.0
33
0
0.0
20
0
0.0
Penka-Michel
Bakassa
ND
ND
ND
ND
ND
ND
ND
ND
ND
74
1
1.4
Foumban
Folap
ND
ND
ND
ND
ND
ND
ND
ND
ND
108
0
0.0
Kouoptamo
Njisseng
ND
ND
ND
ND
ND
ND
ND
ND
ND
24
1
4.2
Massangam
Makouopsap
ND
ND
ND
ND
ND
ND
ND
ND
ND
32
21
65.6
12
185
54
29.2
403
17
4.2
*
134
6
4.5
626
56
8.9
ND: not done.
*Significant ( < 0.05)—followup 2005 compared with the baseline.
**Significant ( < 0.05)—followup 2006 compared with 2005 followup.
***Significant ( < 0.05)—followup 2011 compared with 2006 followup.