Infections with the Outbreak Strain of E. coli O157:H7, by Date of Illness Onset
(n=23 for whom information was reported as of June 30, 2009)
* Some illness onset dates have been estimated from other information.
Page last modified: July 1, 2009
Content source: National Center for Zoonotic, Vector-Borne, and Enteric Diseases (ZVED)