Table I.
Samples collected and results
| Sample number | Sample type | Location | ORF1ab gene (Ct) IC: Ct | Gene S (Ct) IC: Ct | Gene N (Ct) IC: Ct |
|---|---|---|---|---|---|
| 1 | Landline | COVID-19 diagnostic box | NA IC: 35.14 |
NA IC: 36.46 |
NA IC: 35.97 |
| 2 | Barcode scanner | COVID-19 diagnostic box | NA IC: 38.04 |
NA IC: NA |
NA IC: 38.02 |
| 3 | Blood culture box | NA IC: NA |
NA IC: 38.49 |
NA IC: 36.93 |
|
| 4 | Respiratory culture box | NA IC: 39.25 |
NA IC: 39.78 |
NA IC: 38.05 |
|
| 5 | COVID-19 thermocycler | NA IC: 35.35 |
NA IC: 34.30 |
NA IC: 34.79 |
|
| 6 | Mobile phone | Laboratory | NA IC: NA |
NA IC: 35.96 |
A (38.80) IC: 36.07 |
| 7 | NA IC: 34.86 |
NA IC: 35.01 |
NA IC: 34.14 |
||
| 8 | Personal | NA IC: 35.46 |
NA IC: 34.60 |
NA IC: 35.00 |
|
| 9 | NA IC: 33.29 |
NA IC: 33.82 |
NA IC: 33.75 |
||
| 10 | NA IC: 34.45 |
NA IC: 34.00 |
NA IC: 34.48 |
||
| 11 | NA IC: 34.89 |
NA IC: 35.51 |
NA IC: 34.23 |
||
| 12 | NA IC: NA |
NA IC: NA |
NA IC: 35.88 |
||
| 13 | NA IC: 32.09 |
NA IC: 36.38 |
NA IC: 36.25 |
||
| 14 | NA IC: 31.49 |
NA IC: 30.97 |
NA IC: 31.25 |
||
| 15 | Mouse | COVID-19 diagnostic box | A (38.98) IC: 34.49 |
NA IC: 34.82 |
A (37.55) IC: 34.23 |
| 16 | Blood culture box | NA IC: 34.56 |
NA IC: 34.44 |
NA IC: 34.65 |
|
| 17 | Respiratory culture box | NA IC: 36.17 |
NA IC: 38.10 |
NA IC: 36.71 |
|
| 18 | COVID-19 thermocycler | NA IC: 34.27 |
NA IC: 34.98 |
A (38.33) IC: 35.31 |
|
| 19 | Keyboard | COVID-19 diagnostic box | NA IC: 34.92 |
NA IC: 36.89 |
NA IC: 35.00 |
| 20 | Blood culture box | NA IC: 32.62 |
NA IC: NA |
NA IC: 31.85 |
|
| 21 | Respiratory culture box | NA IC: 32.54 |
NA IC: 32.51 |
NA IC: 32.87 |
|
| 22 | COVID-19 thermocycler | NA IC: 30.43 |
NA IC: 29.82 |
A (30.32) IC: 30.39 |
|
| 23 | Environmental | COVID-19 diagnostic box | NA IC: NA |
NA IC: NA |
NA IC: NA |
A, amplified; NA, not amplified; IC, internal control; Ct, cycle threshold.