Table 7 Samples requested and sent by TUB as of February 14, 2023
From: Design, creation, and use of the Test Us Bank (TUB) COVID-19 sample biorepository
Request | Samples Requested | Positive/Negative | Type of sample | Samples Sent | Mean CT | Date Shipped |
|---|---|---|---|---|---|---|
1 | 30 positive and 30 negative samples of saliva (requiring samples of at least 600𝜇L) that also had MT or NP swabs with a CT value from one of the assays and pull the residual volume from the MT or NP swab that was tested if there is 300𝜇L or more left OR any untested MT or NP sample volume from the same subject | Neg | MT | 45 | 5/27/2022 | |
Neg | Saliva | 59 | ||||
Pos | MT | 46 | 27.5 | |||
Pos | Saliva | 55 | 27.4 | |||
2 | A total of 40 matched saliva-swab samples tested with Roche Cobas: 20 positives all high CT & 20 negatives | Neg | MT | 18 | 8/10/2022 | |
Neg | NP | 1 | ||||
Neg | Saliva | 19 | ||||
Pos | MT | 18 | 32.3 | |||
Pos | NP | 2 | 32.9 | |||
Pos | Saliva | 20 | 32.3 | |||
3 | 50 additional randomly selected positives samples | Neg | MT | 21 | 10/17/2022 | |
Neg | NP | 9 | ||||
Neg | Saliva | 46 | ||||
Pos | MT | 21 | 32.0 | |||
Pos | NP | 12 | 31.3 | |||
Pos | Saliva | 59 | 31.8 | |||
4 | 20 positive and 20 negative dry swabs | Neg | ANT | 15 | 10/27/2022 | |
Neg | MT | 14 | ||||
Neg | NP | 4 | ||||
Pos | ANT | 18 | 26.1 | |||
Pos | MT | 7 | 23.4 | |||
Pos | NP | 1 | 31.9 | |||
5 | Saliva samples: 20 positive and 4 negative. Samples of 0.5-2 ml each | Neg | Saliva | 15 | 10/31/2022 | |
Pos | Saliva | 53 | 23.7 |