TABLE 1.

Group B streptococci used in this study and their observed phenotypes and genotypes^a

Strain	Yr received	Location	CAMP factor	MLST typeb	PFGE cluster	181-bp deletion	522-bp deletion	7-kb deletion	49-kb deletion
15902	2018	AK	+	ST-860	A1	+
14141	2016	LA (lab A)	+	ST-860	A1	+
11133	2013	ND	+	ST-860	A1	+
15827	2018	WI (lab C)	+	ST-860	A1	+
14984	2017	LA (lab B)	+	ST-860	A2	+
14053	2015	LA (lab A)	+	ST-860	A3	+
14140	2016	LA (lab A)	+	ST-860	A3	+
15829	2018	WY	+	ST-23	B1		+
15830	2018	WY	+	ST-23	B2		+
11513	2014	CO	+	ST-19	E1		+
10072	2012	IA	–	ST-22	D1			+
10201	2012	IA	–	Unknown*	D2			+
15844	2018	KS	–	ST-19	C1				+
15594	2017	Ireland	–	ST-19	C1				+
16396	2018	MO	–	ST-19	C1				+
14065	2015	LA (lab A)	+		A1
14313	2016	LA (lab A)	+		A1
14314	2016	LA (lab A)	+		A1
14327	2016	LA (lab A)	+		A1
14328	2016	LA (lab A)	+		A1
14330	2016	LA (lab A)	+		A1
14392	2016	LA (lab A)	+		A1
14312	2016	LA (lab A)	+		A2
14329	2016	LA (lab A)	+		A2
14331	2016	LA (lab A)	+		A2
14333	2016	LA (lab A)	+		A2
14391	2016	LA (lab A)	+		A2
14315	2016	LA (lab A)	+		A4
14326	2016	LA (lab A)	+		A5
14927	2017	OH	+		B3
14393	2016	LA (lab A)	–		F1

^a+, Presence; –, absence. For the locations, U.S. state abbreviations are given where applicable. lab A, laboratory A.

^bOnly 15 isolates were sequenced and typed using MLST. *, Unknown sequence type (ST) but very closely related to ST-22.