TABLE 2.

Range of genetic distances between isolate pairs grouped by outbreak or by background (sporadic) isolates

Outbreak or isolate	Genetic distance (hqSNV) for:
	Outbreak 1: SHXAI.0001/SHBNI.0001, PT 19	Outbreak 2: SHXAI.0001/SHBNI.0001, PT 26	Outbreak 3: SHXAI.0001/SHBNI.0001, PT 19
Outbreak
1	0–4
2	82–86	0–2
3	63–67	83–87	0–4
Background isolate (PFGE pattern, phage type)
Sporadic SHXAI.0001/SHBNI.0001, PT 19	8–73	76–85	57–74
Sporadic SHXAI.0001/SHBNI.0001, PT 26	61–83	4–82	6–84
Sporadic SHXAI.0001/SHBNI.0001, PT 18	75–78	87–88	68–71
Sporadic SHXAI.0001/SHBNI.0001, PT 29	64–67	84–85	9–12
Sporadic SHXAI.0009/SHBNI.0025, PT 10	76–77	88–89	77–80
Sporadic SHXAI.0197/SHBNI.0077, PT 32	100–103	112–113	93–94
Reference isolate SH-SL476	98–101	108–109	99–100