TABLE 1.

VRSA strains isolated in the United States

NARSA designation	Patient	Date of isolation (mo/yr)	State	Age (yr)	Sex	Reference or source
VRSA-1	1	06/2002	Michigan	40	Female	34
VRSA-2	2	09/2002	Pennsylvania	70	Male	21
VRSA-3	3	03/2004	New York	63	Female	17
VRSA-5	4	02/2005	Michigan	78	Male	35
VRSA-6	5	10/2005	Michigan	58	Female	35
VRSA-7	6	12/2005	Michigan	48	Male	35
VRSA-8	7	10/2006	Michigan	43	Female	35
VRSA-9	8	11/2007	Michigan	NAa	Female	NARSA
VRSA-10	9	12/2007	Michigan	NA	Female	NARSA

^aNA, not available.