2l6 
THOMPSON YATES LABORATORIES REPORT 
E. Egwanga 
F. Onitsha 
Ages 
No, ; Examined 
No. Infected 
Percentage 
No. Examined 
No. Infected 
Percentage 
O-I 
3 
I 
O 
1-2 
+ 
3 
+ 
2 
2-3 
8 
7 
2 
2 
3-4 
3 
2 
5 
I 
4-5 
2 
1 
+ 
I 
c-6 
b ° 
2 
1 
4 
2 
6-7 
2 
5 
7-8 
0 
2 
I 
8-9 
1 
1 
O 
9-10 
0 
2 
0 
10 + 
0 
0 
0-5 
20 
'4 
70-0 
15 
6 
40*0 
5-10 
5 
2 
4<d - o 
14 
3 
31 O 
10 + 
0 
0 
Total... 
25 
16 
64-0 
29 
9 
21-4 
