Table 2.
Environmental sampling results from quarantine hotel for asymptomatic and mild COVID-19 patients
| Sampled area | Sampled objects | No. of RNA-positive samples/total no. of samples (%) | RT-PCR Ct value range of positive samples (average) |
|---|---|---|---|
| Hotel rooms | Door handle | 0/1 (0%) | NA |
| Closet door | 1/2 (50%) | 35 (35) | |
| Faucet handle | 0/2 (0%) | NA | |
| Sink | 0/1 (0%) | NA | |
| Toilet seat | 1/1 (100%) | 34.9 (34.9) | |
| Mobile phone | 1/4 (25%) | 32.7 (32.7) | |
| Electric kettle | 1/1 (100%) | 34.9 | |
| Prayer beads | 0/2 (0%) | NA | |
| Glass cup | 2/2 (100%) | 29.3–35 (32.1) | |
| Bedside table | 0/1 (0%) | NA | |
| Eyeglasses | 0/1 (0%) | NA | |
| TV remote controller | 0/1 (0%) | NA | |
| Drinking bottle | 0/1 (0%) | NA | |
| Air sampling filter | 1/1 (100%) | 35 (35) | |
| Total | 7/21 (33%) | 29.3–35 (33.5) | |
| Public spaces | Microwave oven handle | 0/1 (0%) | NA |
| Cold water bar | 1/1 (100%) | 35.2 (35.2) | |
| Hot water bar | 0/1 (0%) | NA | |
| Door handle | 0/1 (0%) | NA | |
| Staircase railing | 0/1 (0%) | NA | |
| Coffee table | 0/2 (0%) | NA | |
| Sitting chair handle | 0/2 (0%) | NA | |
| Synagogue chair handle | 2/2 (100%) | 34.97–35.1 (35) | |
| Prayer book | 0/2 (0%) | NA | |
| Electric kettle | 1/1 (100%) | 34.9 (34.9) | |
| Used plastic cup | 1/1 (100%) | 35 (35) | |
| Elevator button panels | 4/5 (80%) | 30.6–35 (33) | |
| Air sampling filter | 0/1 (0%) | NA | |
| Total | 9/21 (43%) | 30.6–35.1 (34.1) | |
| All areas | Total | 16/42 (38%) | 29.3–35.1 (33.9) |