Table 4 Potential transmission events within the Acinetobacter baumannii pulsotype 27 outbreak in Birmingham, England, 2011 to 2013, reconstructed using a parsimonious analysis of ward/theatre occupancy and SNV genotype
Patient no. | Predicted donor(s) of infection | SNVs compared to predicted donor(s) | Days between donor and recipient(s) |
|---|---|---|---|
1 | Index case: a military patient repatriated from Afghanistan | ||
2 | 1 | 0 | 0 |
4 | 1 | 3 | 0 |
6 | 1 | 1 | 0 |
7 | 1 | 1 | 0 |
8 | 6 | 0 | 0 |
9 | Unknown | ||
10 | 9 | 2 | 0 |
11 | 6 or 8 | 0,0 | 0 |
12 | 6 or 8 or 11 | 0,0,0 | 0 |
13 | 1 | 0 | <14 |
14 | 6 or 8 or 11 or 12 | 1,1,1,1 | 0 |
15 | Not included in transmission analysis: strain lost on subculture | ||
16 | 13 | 0 | 0 |
17 | 11 or 12 | 0,0 | 0 |
18 | 11 or 17 | 1,1 | 0 |
19 | 18 or 11 or 17 | 0,1,1 | 0 |
20 | 11 | 2 | <21 |
21 | 20 | 0 | 0 |
22 | Unknown | ||
23 | 11 | 2 | <35 |
24 | 20 | 0 | 0 |
25 | 22 or 24 | 2,1(loss of plasmid) | Â |
26 | 20 or 24 | 0,0 | 0 |
27 | 26 | 0 | 0 |
28 | Not included in transmission analysis: mixed culture | ||
29 | 20 or 24 | 1,1(loss of plasmid) | 0 |
30 | 27 | 0 | 0 |
31 | 27 or 30 | 0,0 | 0 |
32 | 30 or 31 | 1,1(loss of plasmid) | 0 |
34 | 31 | 0 | <14 |
38 | Not included in transmission analysis: not genome-sequenced | ||
39 | 34 | 2 | Theatre (same day) |
40 | 34 | 1 | Theatre (same day) |
43 | 34 | 1 | <7 |
44 | 43 | 0 | <21 |
49 | 44 | 0 | 0 |
50 | Unknown | ||
51 | Unknown | ||
52 | Outbreak restarts after patient 52 nursed on bed previously used by patient 50 | ||
53 | Unknown | ||
54 | Unknown | ||
55 | 54 | 0 | Theatre (1 day gap) |
57 | 50 | 0 | <21 |
58 | 57 | 1 | 0 |
59 | 57 | 2 | 0 |
60 | 54 | 1 (loss of plasmid) | <14 |
61 | 57 | 2 | Theatre (4 day gap) |
62 | 57 | 2 | 0 |
63 | 62 | 1 | 0 |
64 | 57 | 0 | <14 |
65 | 64 | 0 | 0 |