Weeks
Blocks
Mean Disease Incidence
1
2
3
4
5
6
7
8
9
10
3
3
3
3
3
3
3
3
3
3
44.4c
52.8bc
63.9ab
63.9ab
72.2ab
72.2ab
77.8a
75.0a
77.8a
77.8a