Volume 10, Number 10—October 2004
Research
Egg Quality Assurance Programs and Egg-associated Salmonella Enteritidis Infections, United States
Figure 5

Figure 5. Annualized change in Salmonella enterica serovar Enteritidis incidence for groups of states that had egg quality assurance programs (EQAPs) for the same period within group and different periods among groups. The groups of states were 11 states with ≥1 year of post-EQAP follow-up (Connecticut, Indiana, Pennsylvania, California, South Carolina, Maryland, Ohio, Michigan, Utah, New York, Oregon), 7 states with ≥2 years of post-EQAP follow-up (Connecticut, Indiana, Pennsylvania, California, South Carolina, Maryland, Ohio), 6 states with ≥3 years of post-EQAP follow-up (Connecticut, Indiana, Pennsylvania, California, South Carolina, Maryland), and 4 states with ≥5 years of post-EQAP follow-up (Connecticut, Indiana, Pennsylvania, California).