Infections with the Outbreak Strain of Salmonella Chester, by Week of Illness Onset

(n=44 for whom information was reported as of 08/27/10 at 9:00 am EST*)

*Some illness onset dates have been estimated from other reported information.

The outbreak can be visually described with a chart showing the number of people who became ill each day. This chart is called an epidemic curve or epi curve. For more details, please see the Salmonella Outbreak Investigations: Timeline for Reporting Cases.