Figure J. Distribution of Minimum Inhibitory Concentrations (MICs) to Azithromycin Among GISP Isolates, 2006-2010

This web page is archived for historical purposes and is no longer being updated. Newer data is available on the STD Data and Statistics page.

CLINIC	Azithromycin	% of isolates
CLINIC	Azithromycin	2006	2007	2008	2009	2010
ALBUQUERQUE	<=0.03	.	0.6	.	13.5	20.0
	0.06	6.6	1.3	5.9	24.0	22.9
	0.125	49.0	26.9	25.5	33.3	21.9
	0.25	29.1	41.7	39.2	19.8	13.3
	0.5	13.9	23.7	27.5	8.3	18.1
	1.0	1.3	5.1	2.0	1.0	1.9
	2.0	.	0.6	.	.	1.9
ATLANTA	<=0.03	1.6	1.3	.	24.6	19.2
	0.06	6.5	7.7	3.8	24.6	23.0
	0.125	38.2	46.2	13.0	43.5	38.0
	0.25	38.6	37.2	44.0	5.6	13.9
	0.5	14.6	7.7	32.6	0.9	5.2
	1.0	0.4	.	6.5	0.9	0.7
BALTIMORE	<=0.03	.	0.3	0.3	1.8	1.2
	0.06	7.2	2.4	4.7	7.6	5.3
	0.125	11.9	11.1	21.5	21.0	23.0
	0.25	51.6	43.9	45.5	47.8	46.3
	0.5	25.3	33.4	22.9	20.7	20.5
	1.0	4.0	8.8	5.1	1.1	3.7
BIRMINGHAM	<=0.03	0.4	.	.	0.5	4.9
	0.06	3.3	1.8	1.7	12.4	3.8
	0.125	13.1	12.6	10.4	23.0	22.2
	0.25	43.4	37.1	40.4	42.6	43.6
	0.5	36.9	43.5	43.3	20.6	19.5
	1.0	2.9	5.0	4.2	1.0	6.0
CHICAGO	<=0.03	5.4	4.5	6.1	4.7	0.8
	0.06	8.8	6.0	3.4	6.8	5.6
	0.125	14.9	8.6	11.1	13.6	9.6
	0.25	39.5	36.9	43.1	43.0	41.6
	0.5	24.3	35.4	27.9	25.5	30.4
	1.0	7.1	7.5	8.0	6.0	10.4
	2.0	.	.	.	0.4	.
	>=4.0	.	1.1	0.4	.	1.6
CINCINNATI	<=0.03	1.0	1.9	.	3.8	4.7
	0.06	8.0	2.7	9.4	11.3	5.2
	0.125	10.3	20.6	12.8	20.2	30.1
	0.25	49.0	28.0	41.1	31.5	38.9
	0.5	29.0	42.8	26.1	26.8	20.2
	1.0	2.7	3.9	10.6	6.6	1.0
CLEVELAND	<=0.03	1.7	3.2	3.3	6.4	0.5
	0.06	5.8	3.5	4.5	3.8	6.6
	0.125	10.9	11.2	12.3	25.1	10.4
	0.25	51.4	44.2	44.9	37.9	38.2
	0.5	26.9	32.3	30.0	25.1	40.1
	1.0	3.4	5.6	4.9	1.7	4.2
DALLAS	<=0.03	17.2	14.9	19.3	17.7	34.1
	0.06	32.4	26.4	20.0	19.7	25.3
	0.125	34.8	41.4	33.9	34.3	33.4
	0.25	12.2	13.2	23.1	24.0	5.1
	0.5	3.0	4.1	3.1	3.3	2.0
	1.0	.	.	0.7	1.0	.
	2.0	0.3	.	.	.	.
DENVER	<=0.03	3.4	0.9	13.1	29.1	43.9
	0.06	10.9	9.2	17.9	15.7	16.7
	0.125	44.4	28.4	38.1	18.3	28.9
	0.25	29.7	39.0	18.3	28.7	6.7
	0.5	9.6	15.1	6.7	7.4	3.3
	1.0	2.0	4.6	6.0	0.9	0.4
	2.0	.	2.3	.	.	.
	>=4.0	.	0.5	.	.	.
DETROIT	<=0.03	5.3	1.4	4.9	6.5	2.9
	0.06	8.0	10.1	16.1	11.3	7.3
	0.125	14.3	11.5	12.6	19.5	13.5
	0.25	44.3	38.5	42.0	40.8	41.2
	0.5	27.0	30.9	23.1	17.8	32.2
	1.0	1.0	7.6	1.4	4.1	2.9
GREENSBORO	<=0.03	3.5	2.9	1.2	19.4	15.3
	0.06	7.5	6.4	4.8	8.8	15.9
	0.125	23.1	25.7	10.2	23.8	36.0
	0.25	52.6	55.0	59.9	24.4	24.3
	0.5	12.7	8.8	21.0	20.0	8.5
	1.0	0.6	1.2	3.0	3.8	.
HONOLULU	<=0.03	10.5	8.6	7.6	10.8	10.3
	0.06	20.0	14.3	19.0	17.6	14.1
	0.125	29.5	21.4	15.2	16.2	35.9
	0.25	25.3	35.7	30.4	17.6	25.6
	0.5	13.7	18.6	21.5	28.4	9.0
	1.0	.	1.4	2.5	8.1	2.6
	>=4.0	1.1	.	3.8	1.4	2.6
KANSAS CITY	<=0.03	.	1.8	2.8	6.3	.
	0.06	.	3.6	5.2	6.3	6.3
	0.125	.	9.1	18.7	13.7	9.3
	0.25	.	36.4	39.3	53.3	44.7
	0.5	.	40.0	25.0	19.0	37.3
	1.0	.	9.1	8.3	1.3	2.3
	>=4.0	.	.	0.8	.	.
LAS VEGAS	<=0.03	3.3	6.0	4.0	6.0	2.0
	0.06	3.7	7.3	7.3	6.3	5.3
	0.125	17.7	11.0	14.3	13.3	10.7
	0.25	42.7	28.7	30.7	42.0	34.0
	0.5	26.3	29.7	31.3	24.7	34.0
	1.0	5.7	14.7	12.3	7.3	14.0
	2.0	.	2.3	.	0.3	.
	>=4.0	0.7	0.3	.	.	.
LOS ANGELES	<=0.03	0.5	1.8	4.8	11.0	18.2
	0.06	10.6	7.3	5.6	13.8	14.0
	0.125	31.9	20.0	30.4	16.7	35.2
	0.25	33.8	39.4	44.0	31.9	18.2
	0.5	20.8	24.2	14.4	22.4	11.0
	1.0	2.4	6.1	0.8	3.8	2.3
	2.0	.	1.2	.	.	.
	>=4.0	.	.	.	0.5	1.1
MIAMI	<=0.03	0.5	1.9	1.5	3.2	23.4
	0.06	16.5	10.9	5.4	16.9	20.1
	0.125	30.2	24.8	15.8	26.0	25.4
	0.25	37.3	48.5	52.9	23.3	18.7
	0.5	14.6	12.8	20.1	23.3	8.1
	1.0	0.9	1.1	4.2	7.3	2.9
	2.0	.	.	.	.	1.4
MINNEAPOLIS	<=0.03	3.5	4.0	1.1	1.6	2.8
	0.06	3.9	6.0	2.7	4.1	5.6
	0.125	12.6	13.5	10.9	10.6	12.7
	0.25	43.5	32.5	29.9	38.2	28.2
	0.5	25.7	27.8	38.0	34.1	31.0
	1.0	10.4	16.3	17.4	11.4	16.9
	2.0	0.4	.	.	.	.
	>=4.0	.	.	.	.	2.8
NEW ORLEANS	<=0.03	.	3.2	1.7	24.8	17.7
	0.06	6.1	10.0	8.0	16.9	12.8
	0.125	22.4	27.7	14.9	28.9	33.3
	0.25	46.9	46.6	52.6	19.8	22.6
	0.5	20.4	10.8	18.9	6.6	13.2
	1.0	4.1	1.6	4.0	2.9	0.4
NEW YORK CITY	<=0.03	.	1.1	0.8	10.6	15.2
	0.06	5.7	6.1	1.6	13.4	9.6
	0.125	11.3	19.3	19.5	28.5	35.9
	0.25	50.9	53.6	32.5	25.7	20.2
	0.5	24.5	17.1	36.6	19.6	16.2
	1.0	7.5	2.2	8.1	2.2	3.0
	>=4.0	.	0.6	0.8	.	.
OKLAHOMA CITY	<=0.03	1.3	.	1.7	0.8	2.6
	0.06	3.3	4.6	3.8	5.1	13.7
	0.125	14.3	16.8	20.8	22.8	27.9
	0.25	54.0	44.9	45.7	50.8	37.8
	0.5	25.0	29.5	26.6	18.1	16.7
	1.0	2.0	4.2	1.4	2.4	1.3
ORANGE COUNTY	<=0.03	1.5	1.7	.	1.2	1.0
	0.06	4.5	4.3	3.4	1.2	1.9
	0.125	21.8	16.2	8.0	3.7	3.8
	0.25	36.1	40.2	20.7	12.2	15.4
	0.5	27.8	32.5	50.6	53.7	49.0
	1.0	4.5	5.1	17.2	26.8	26.9
	2.0	0.8	.	.	.	1.0
	>=4.0	3.0	.	.	1.2	1.0
PHILADELPHIA	<=0.03	0.7	.	.	.	1.4
	0.06	8.7	2.8	4.3	1.5	5.1
	0.125	13.3	14.2	9.1	15.0	11.1
	0.25	40.0	25.2	33.2	36.9	40.2
	0.5	28.7	39.4	43.5	35.9	33.4
	1.0	8.3	18.4	9.5	10.7	8.8
	2.0	.	.	0.4	.	.
	>=4.0	0.3	.	.	.	.
PHOENIX	<=0.03	3.3	1.1	2.8	1.3	1.5
	0.06	9.6	6.9	10.9	7.0	5.0
	0.125	33.3	15.6	9.3	9.3	7.0
	0.25	36.7	45.5	29.0	34.4	26.6
	0.5	16.3	25.1	33.5	35.7	42.2
	1.0	0.7	5.8	13.7	11.5	15.6
	2.0	.	.	0.4	0.4	0.5
	>=4.0	.	.	0.4	0.4	1.5
PORTLAND	<=0.03	10.1	4.1	6.4	3.8	8.5
	0.06	8.3	6.8	5.1	8.6	9.4
	0.125	29.0	29.9	17.8	13.3	34.9
	0.25	40.8	42.2	34.4	34.3	34.0
	0.5	11.2	15.0	33.8	32.4	13.2
	1.0	.	0.7	2.5	7.6	.
	2.0	0.6	.	.	.	.
	>=4.0	.	1.4	.	.	.
RICHMOND	<=0.03	.	.	0.8	.	7.1
	0.06	.	.	3.2	6.5	7.1
	0.125	.	.	22.6	25.8	28.6
	0.25	.	39.3	39.5	41.9	35.7
	0.5	.	50.0	29.8	22.6	21.4
	1.0	.	10.7	4.0	3.2	.
SAN DIEGO	<=0.03	0.8	0.5	.	.	0.5
	0.06	6.1	5.8	1.1	5.8	2.4
	0.125	24.8	14.7	5.5	5.2	6.3
	0.25	39.7	32.6	29.1	23.3	15.6
	0.5	27.9	31.6	44.5	43.0	56.1
	1.0	0.8	14.2	19.8	19.8	16.6
	2.0	.	0.5	.	.	0.5
	>=4.0	.	.	.	2.9	2.0
SAN FRANCISCO	<=0.03	6.0	4.0	2.4	12.3	10.9
	0.06	7.0	7.7	11.4	6.2	16.5
	0.125	30.8	26.3	21.8	15.8	43.0
	0.25	31.1	37.0	36.5	33.1	20.4
	0.5	24.1	21.3	25.1	28.8	8.3
	1.0	0.7	3.3	2.4	3.8	0.4
	2.0	.	.	0.5	.	.
	>=4.0	0.3	0.3	.	.	0.4
SEATTLE	<=0.03	4.1	6.4	4.9	11.7	8.4
	0.06	14.0	9.0	25.2	7.4	18.5
	0.125	40.1	23.4	27.0	33.3	16.8
	0.25	29.3	39.4	22.1	30.9	43.7
	0.5	10.7	19.1	17.8	11.1	11.3
	1.0	1.2	2.1	3.1	5.6	0.8
	2.0	.	0.5	.	.	0.4
	>=4.0	0.4	.	.	.	.
TRIPLER	<=0.03	.	.	.	33.3	50.0
	0.06	.	.	.	16.7	.
	0.125	100.0	.	.	16.7	50.0
	0.25	.	.	.	16.7	.
	0.5	.	.	.	16.7	.

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Page last reviewed: February 15, 2012 (archived document)
Content source:
- Division of STD Prevention, National Center for HIV/AIDS, Viral Hepatitis, STD, and TB Prevention, Centers for Disease Control and Prevention