E. coli O157:H7 Summary Data

Microbiological Results of Raw Ground Beef Products Analyzed for Escherichia coli O157:H7, Summarized by Calendar Year

2006-2007 | 2003-2005 | 2000-2002 | 1997-1999 | 1994-1996

	CY 2006		CY 2007
Table 5. Calendar Year 2006 through 2007
Source	Analyzed	Positive	Analyzed	Positive
Federal Plants	11,626	20	12,046	29
Verification	11,602	20	11,979	27
Follow-up	24	0	67	2
Retail Stores	133	0	184	0
Routine	133	0	184	0
Follow-up	0	0	0	0
State Plants	0	0	0	0
Imports	20	0	62	0
Totals	11,779	20	12,292	29

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	CY 2003		CY 2004		CY 2005 ^a
Table 4. Calendar Year 2003 through Calendar Year 2005
Source	Analyzed	Positive	Analyzed	Positive	Analyzed	Positive
Federal Plants	5,735	20	7,683	14	10,866	18
Verification	5,575	18	7,632	14	10,853	18
Follow-up	160	2	51	0	13	0
Retail Stores	779	0	311	0	95	0
Routine	764	0	311	0	95	0
Follow-up	15	0	0	0	0	0
State Plants	39	0	0	0	0	0
Imports	31	0	16	0	15	1
Totals	6,584	20	8,010	14	10,976	19

^a During October 2005, a new screening method was introduced to reduce the number of screen positives that do not confirm positive.

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	CY 2000		CY 2001		CY 2002
Table 3. Calendar Year 2000 through Calendar Year 2002
Source	Analyzed	Positive	Analyzed	Positive	Analyzed	Positive
Federal Plants	5,020	36	5,514	48	5,745	42
Verification	4,587	23	5,004	40	5,103	28
Follow-up	433	13	510	8	642	14
Retail Stores	1,292	17	1,463	11	1,240	13
Routine	1,169	10	1,319	9	1,098	12
Follow-up	123	7	144	2	142	1
State Plants	50	1	27	0	39	0
Imports	13	1	6	0	1	0
Totals	6,375	55	7,010	59	7,025	55

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	CY 1997 ^b		CY 1998		CY 1999 ^c
Table 2. Calendar Year 1997 through Calendar Year 1999
Source	Analyzed	Positive	Analyzed	Positive	Analyzed	Positive
Federal Plants	1,120	2	4,281	12	4,514	21
Retail Stores	4,849	1	3,731	2	3,212	11
State Plants	8	0	55	0	43	0
Imports	88	1	13	0	16	0
Totals	6,065	4	8,080	14	7,785	32

^b During October 1997, the amount analyzed was increased from a 25 g sample to a 325 g sample to provide increased detection sensitivity.

^c On September 3, 1999, a new selection and detection method was introduced to further increase test sensitivity.

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	CY 1994		CY 1995		CY 1996
Table 1. Calendar Year 1994 through Calendar Year 1996
Source	Analyzed	Positive	Analyzed	Positive	Analyzed	Positive
Federal Plants	293	0	2,521	2	1,459	1
Retail Stores	588	0	2,787	1	3,972	3
State Plants	10	0	29	0	44	0
Imports	0	0	70	0	228	0
Totals	891	0	5,407	3	5,703	4

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Contact Information
Food Safety and Inspection Service
Office of Public Health Science
Microbiology Division
Priscilla Levine, Staff Officer
Phone: (202) 690-6369
FAX: (202) 690-6364

Last Modified: May 1, 2008