Table 3. Number of close contacts (CCs) and exposures to API patient*.
| Characteristic |
No. CCs (no. exposures) per hospital |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| A |
B |
C |
D |
E |
F |
G |
H |
I |
Mean |
|
| Total | 17 (26) | 15 (20) | 6 (15) | 11 (20) | 14 (17) | 12 (20) | 11 (17) | 10 (11)† | 6 (8)† | 12.3 (19.3)‡ |
| By clinical area | ||||||||||
| Triage | 8 (8) | 4 (4) | 1 (1) | 2 (2) | 5 (5) | 1 (1) | 3 (3) | 7 (7) | 3 (3) | 3.8 (3.8) |
| ED | 5 (11) | 7 (11) | 3 (9) | 7 (10) | 6 (9) | 7 (10) | 6 (9) | 3 (4)† | 3 (5)† | 5.9 (9.9)‡ |
| Ward |
4 (7) |
4 (5) |
2 (5) |
2 (8) |
3 (3) |
4 (9) |
2 (5) |
– |
– |
3.0
(6.0) |
| By study period, h | ||||||||||
| 0–1 | 10 (12) | 8 (8) | 3 (4) | 6 (8) | 7 (7) | 8 (8) | 5 (5) | 9 (10) | 5 (6) | 6.8 (7.6) |
| 1–2 | 2 (3) | 0 (1) | 1 (2) | 2 (2) | 3 (5) | 2 (6) | 3 (3) | 0 (0) | 1 (2) | 1.6 (2.7) |
| 2–3 | 2 (4) | 0 (2) | 0 (4) | 3 (5) | 2 (3) | 1 (3) | 0 (2) | 1 (1)† | 0 (0)† | 1.1 (3.3)‡ |
| 3–4 | 3 (5) | 5 (6) | 2 (3) | 0 (2) | 0 (0) | 1 (1) | 2 (3) | – | – | 1.9 (2.9) |
| 4–5 | 0 (1) | 2 (2) | 0 (1) | 0 (1) | 1 (1) | 0 (2) | 1 (2) | – | – | 0.6 (1.4) |
| 5–6 |
0 (0) |
0 (1) |
0 (1) |
0 (2) |
1 (1) |
0 (0) |
0 (2) |
– |
– |
0.1
(1.0) |
| By HCW status | ||||||||||
| Non-HCW | 3 (3) | 5 (5) | 0 (0) | 0 (0) | 3 (3) | 0 (0) | 2 (2) | 4 (4)† | 0 (0)† | 1.9 (1.9)‡ |
| HCW |
14 (23) |
10 (15) |
6 (15) |
11 (20) |
11 (14) |
12 (20) |
9 (15) |
6 (7)† |
6 (8)† |
10.4 (17.4)‡ |
| No. HCW CCs (%) who wore complete PPE set during each exposure§ |
2 |
3 |
5 |
9 |
8 |
8 |
8 |
2† |
3† |
6.1
(59)‡ |
| No. HCW CCs (%) who wore N95 masks during each exposure§ | 12 | 7 | 6 | 10 | 11 | 12 | 9 | 5† | 3† | 9.6 (92)‡ |
*API, avian (H5N1) or pandemic influenza; ED, emergency department; HCW, healthcare worker; PPE, personal protective equipment. †Incomplete data as simulation terminated after 2.5 h. ‡Excludes data from sites H and I. §World Health Organization recommendations (Table 1).