Table 5 Results of testing oro-pharyngeal swabs for Newcastle disease virus by number of swabs pooled
Swab source | Swab pool | 1 DPI | 2 DPI | 3 DPI | 4 DPI | 7 DPI | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|
VI | rRT-PCR | VI | rRT-PCR | VI | rRT-PCR | VI | rRT-PCR | VI | rRT-PCR | ||
oro-pharyngeal | 1 swab | 20/20 (100) | 20/20 (100) | 20/20 (100) | 20/20 (100) | 20/20 (100) | 20/20 (100) | 20/20 (100) | 20/20 (100) | 1/20 (5) | 14/20 (70) |
5 swabs | 38/38 (100) | 38/38 (100) | 38/38 (100) | 38/38 (100) | 38/38 (100) | 38/38 (100) | 38/38 (100) | 38/38 (100) | 1/38 (2.6) | 23/38 (60.5) | |
11 swabs | 38/38 (100) | 38/38 (100) | 38/38 (100) | 38/38 (100) | 38/38 (100) | 38/38 (100) | 38/38 (100) | 38/38 (100) | 2/38 (5.3) | 16/38 (42.1) | |
cloacal | 1 swab | 2/20 (10) | 7/20 (35) | 2/20 (10) | 4/20 (20) | 12/20 (60) | 9/20 (45) | 11/20 (55) | 13/20 (65) | 11/20 (55) | 10/20 (50) |
5 swabs | 10/38 (26.3) | 7/38 (18.4) | 3/38 (7.9) | 10/38(26.3) | 19/38 (50) | 28/38 (73.7) | 23/38 (60.5) | 17/38 (44.7) | 15/38 (39.5) | 15/38 (39.5) | |
11 swabs | 8/38 (21.1) | 9/38 (23.7) | 8/38 (21.1) | 11/38 (28.9) | 17/38 (44.7) | 15/38 (39.5) | 27/38 (71.0) | 20/38 (52.6) | 16/38 (42.1) | 17/38 (44.7) | |