Table 4.
GLP carrier test results of PST70 surface disinfectant spray against FCV with 2 batches. The contact time is 60 sec after 3–4 sprays to the surface of each carrier according to ASTM test method E1053-20. Virus: FCV (ATCC #VR-782). Host Cell Line: CRFK Host Cell Line ATCC #CCL-94. Volume plated per well: 1.0 ml. Exposure Time: 1 minute. + -CPE (cytopathic/cytotoxic effect) present. 0-CPE (cytopathic/cytotoxic effect) not detected. NT-Not tested. N/A-Not applicable. IP-Initial Population. CC-Cell Control.
| Dilution (−Log10) | Virus Control | Test | Neutralization Control | Cytotoxicity Control | IP | CC | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Carrier 1 | Carrier 2 | Batch # 1 | Batch #2 | Batch #1 | Batch #2 | Batch #1 | Batch #2 | |||||
| Carrier 1 | Carrier 2 | Carrier 1 | Carrier 2 | |||||||||
| 0000 | ||||||||||||
| −2 | NT | NT | 00+0 | ++00 | ++++ | ++0+ | ++++ | ++++ | 0000 | 0000 | NT | NA |
| −3 | ++++ | ++++ | 0000 | 0000 | 0000 | 0000 | ++++ | ++++ | 0000 | 0000 | ++++ | |
| −4 | ++++ | ++++ | 0000 | 0000 | 0000 | 0000 | ++++ | ++++ | 0000 | 0000 | ++++ | |
| −5 | ++++ | ++++ | 0000 | 0000 | 0000 | 0000 | ++++ | ++++ | NT | NT | ++++ | |
| −6 | ++++ | ++++ | 0000 | 0000 | 0000 | 0000 | ++++ | ++++ | NT | NT | ++++ | |
| −7 | 0000 | 0000 | 0000 | 0000 | 0000 | 0000 | +000 | 0000 | NT | NT | ++++ | |
| TCID50 (log10) | 6.50 | 6.50 | 1.75 | 2.00 | 2.50 | 2.25 | 6.75 | 6.50 | 1.50 | 1.50 | ≥7.50 | |
| Average TCID50 (log10) | 6.50 | NA | NA | |||||||||
| Log10 Reduction | NA | 4.75 | 4.50 | 4.00 | 4.25 | NA | ||||||
| Percent Reduction | >99.99 | >99.99 | 99.99 | >99.99 | ||||||||