Table 2. Contact characteristics and infection control precautions for 31 healthcare workers who entered index patient’s rooma.
| Exposure type | No. healthcare workers with exposure | No. (%) exposed healthcare workers with SARS |
|---|---|---|
| Entry into room |
31 |
6 (19) |
| Contact duration for those entering the room |
|
|
|
<10 min |
11 |
0 |
| 11–30 min |
8 |
1 (12.5) |
| 31 min to 4 h |
8 |
2 (25) |
|
>4 h |
4 |
3 (75) |
| Nature of contact |
|
|
| Touched patient |
19 |
6 (32) |
| Contact with mucous membranes |
10 |
4 (40) |
| Performed procedure involving contact with mucous membranes or respiratory secretions |
15 |
6 (40) |
| Present during NPPV |
22 |
4 (18) |
| Performed or assisted intubation |
5 |
3 (60) |
| Infection control precautions used during exposure |
|
|
| Always wore at least: |
|
|
| Gloves |
15 |
3 (20) |
| Gown and gloves |
15 |
3 (20) |
| Any mask (N-95 or surgical mask) |
13 |
3 (23) |
| Gown, gloves, and N-95 mask |
6 |
1 (17) |
| Gown, gloves, and surgical mask |
6 |
2 (30) |
| Gown, gloves, and any mask |
12 |
3 (25) |
| No precautions | 8 | 1 (12.5) |
aNPPV, noninvasive positive-pressure ventilation.