Volume 10, Number 10—October 2004
Research
Egg Quality Assurance Programs and Egg-associated Salmonella Enteritidis Infections, United States
Gerald A. Mumma*
, Patricia M. Griffin*, Martin I. Meltzer*, Chris R. Braden*, and Robert V. Tauxe*
, Patricia M. Griffin*, Martin I. Meltzer*, Chris R. Braden*, and Robert V. Tauxe*
Table 1
Eggs produced under EQAPs as a percentage of total egg production, 1989–1999a
| Year | % of eggs produced under EQAPs |
|
|---|---|---|
| United States (N = 41)b | States with EQAPs affected by S. Enteritidis epidemic (N = 11) | |
| 1989 | 1.2 | 2.5 |
| 1990 | 1.7 | 2.8 |
| 1991 | 3.6 | 7.0 |
| 1992 | 5.2 | 10.5 |
| 1993 | 5.5 | 10.9 |
| 1994 | 8.6 | 18.0 |
| 1995 | 10.5 | 22.2 |
| 1996 | 17.6 | 38.3 |
| 1997 | 27.0 | 59.1 |
| 1998 | 34.7 | 68.8 |
| 1999 | 46.1 | 78.6 |
aEQAP, Salmonella enterica serovar Enteritidis egg quality assurance programs.
bForty-one states responded to the survey. A state affected by the S. Enteritidis epidemic had an S. Enteritidis isolation rate >1/100,000 population in any year from 1980 to 1999. States with EQAPs affected by the S. Enteritidis epidemic were California, Connecticut, Indiana, Maryland, Michigan, New York, Ohio, Oregon, Pennsylvania, South Carolina, and Utah.
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