Table 1 Epidemiological findings. Number of pigs that tested influenza A virus (IAV) positive by real time reverse transcriptase polymerase chain reaction (RRT-PCR) distributed by week (W).
W | Total number of pigs | Prevalent cases (Prevalent rate per 100) | Incident cases (incident density per 100 pigs-week) |
|---|---|---|---|
0 | 132 | 27 (20.5) | NA |
1 | 132 | 70 (53.0) | 49 (46.7) |
2 | 131 | 86 (65.2) | 44 (71.0) |
3 | 131 | 10 (7.6) | 4 (8.7) |
4 | 131 | 5 (3.8) | 4 (3.3) |
5 | 131 | 6 (4.6) | 6 (4.8) |
6 | 130 | 21 (16.0) | 20 (16.0) |
7 | 130 | 76 (58.0) | 66 (60.0) |
8 | 129 | 38 (29.2) | 17 (30.9) |
9 | 129 | 7 (5.4) | 3 (3.3) |
10 | 129 | 0 (0) | 0 (0) |
11 | 128 | 1 (0.8) | 1 (0.8) |
12 | 128 | 5 (3.9) | 5 (3.9) |
13 | 128 | 5 (3.9) | 5 (4.1) |
14 | 127 | 5 (3.9) | 5 (4.1) |
15 | 127 | 5 (5.5) | 7 (5.7) |
