Pre-made chicken Caesar salad possibly linked to E. coli outbreak NBC NewsE. coli outbreak sickens 17 people in eight states, CDC says CNNCDC: 17 people sick due to E. coli outbreak in eight states, includes Wisconsin Fox11online.comCDC investigating pre-packaged salad as possible cause of E. coli outbreak in 8 states FOX 10 News PhoenixPrepackaged Salad Investigated as Source of E.