Table 3. Frequency of false-positive VecTest resultsa in tests of swabs from cloacal and tissue sources in RT-PCR–negative birds.
| Species | No. false-positive/no. RT-PCR–negative (%) |
|||
|---|---|---|---|---|
| Cloacal | Kidney | Liver | Blood | |
| Cooper's Hawk | 0/3 | 1/7 | 1/2 | 1/9 |
| Mourning Dove | 0/2 | 0/7 | 0/4 | 0/7 |
| Blue Jay | 0/3 | 3/26 (12) | 0/8 | 0/8 |
| American Crow | 0/23 (0) | 19/112 (17) | 6/51 (12) | 14/47 (30) |
| American Robin | 0/9 | 3/30 (10) | 0/13 | 4/14 |
| Gray Catbird | 5/15 (33) | 16/28 (57) | 4/15 | 16/18 |
| European Starling | 0/8 | 4/30 (13) | 3/11 | 3/5 |
| Common Grackle | 0/9 | 0/55 (0) | 1/25 (4) | 4/12 |
| House Sparrow | 0/9 | 0/15 | 1/5 | 4/15 |
| Other avian | 0/36 (0) | 9/87 (10) | 1/29 (3) | 16/73 (22) |
| All species | 5/117 (4) | 55/397 (14) | 17/163 (10) | 62/208 (30) |
aPrincipally narrow lines at the lower margin of the test zone on the dipstick; RT-PCR, reverse transcriptase–polymerase chain reaction.