TABLE 4.

The human isolate including clusters (A–F) described by genetic profile of the causative L. monocytogenes strain, by time of case occurrence, and month/year of food/food-associated surface sampling, from which the outbreak/cluster strain originated, Austria, 2015–2018.

Cluster Type	Month/year of case occurrence	Month/year of food/food-associated sampling, from which the outbreak/cluster strain originated	Food subcategory	Description of the clusters
				Cluster ID	SG	ST	CT
7-case outbreak-cluster	2015, 11 – 2017, 09	2015, 09 – 2018, 05	Meat, fish, mixed food	A	IIa	155	1234
2-case outbreak-cluster	2017, 07, 09	2017, 04 – 2018, 11	Meat	B	IVb	1	4446
Single case-cluster	2017, 09	2017, 03, 12 – 2018, 08	Frozen vegetables	C	IIa	101	4436
Single case-cluster	2017, 11	2017, 11	Frozen vegetables	D	IIa	177	5915
Single case-cluster	2017, 07	2017, 03	Cheese products	E	IIa	37	4438
Single case-cluster	2017, 05	2017, 05	Cheese products	F	IIa	7	4609