Week | Face mask present, % (n) | Isolated, % (n) | Sign present, % (n) |
1 | 0 (0/16) | 19 (3/16) | 19 (3/16) |
2 | 0 (0/11) | 27 (3/11) | 18 (2/11) |
3 | 7 (1/14) | 21 (3/14) | 0 (0/14) |
4 | 12 (2/17) | 41 (7/17) | 24 (4/17) |
5 | 8 (1/12) | 33 (4/12) | 25 (3/12) |
6 | 25 (5/20) | 30 (6/20) | 20 (4/20) |
8 | 25 (2/8) | 50 (4/8) | 25 (4/8) |
9 | 45 (5/11) | 54 (6/11) | 45 (5/11) |
10 | 25 (5/20) | 75 (15/20) | 25 (5/20) |
11 | 15 (2/13) | 69 (9/13) | 46 (6/13) |
12 | 33 (3/9) | 44 (4/9) | 22 (2/9) |
13 | 17 (1/6) | 67 (4/6) | 50 (3/6) |
14 | 15 (2/13) | 46 (6/13) | 38 (5/13) |
17 | 29 (2/7) | 57 (4/7) | 57 (4/7) |
19 | 0 (0/11) | 55 (6/11) | 9 (1/11) |
20 | 13 (1/8) | 38 (3/8) | 0 (0/8) |
21 | 17 (1/6) | 50 (3/6) | 67 (4/6) |
27 | 0 (0/7) | 71 (5/7) | 4 (1/7) |
29 | 0 (0/3) | 67 (2/3) | 33 (1/3) |
32 | 17 (1/7) | 33 (2/6) | 17 (1/6) |