http://www.cdc.gov/foodborne/ecolispinach/qa_ecoli_freshspinach.htm
Centers for Disease Control and Prevention, U.S. Department of Health and Human Services
This page presents questions about E. coli O157:H7 outbreak from fresh spinach. Answers include information on how long it takes for symptoms to show up after E. coli O157:H7 infection, how many and which states are affected, which brands of spinach were contaminated, how E. coli O157:H7 illness is treated, and more.