On July 16, 2004 when the PDOH issued a Health Advisory, stating that an outbreak of Salmonella javiana with more than 70 reported cases had been associated with eating at Sheetz deli counters throughout the state. On July 30, 2004, the PDOH issued a new Health Update regarding the outbreak. Over 300 cases had been reported in Pennsylvania, and dozens more in adjoining states, and yet another related Health Update on August 6, 2004. By then, over 330 cases of Salmonella javiana had been recorded in Pennsylvania, and over 80 cases in neighboring states.
Ultimately, as many as 564 confirmed cases of salmonellosis associated with consumption of contaminated tomatoes were reported in five states: Pennsylvania, Maryland, Ohio, West Virginia, and Virginia. Seventy percent were associated with tomatoes in food prepared at Sheetz convenience stores, which received tomatoes from Coronet Foods of Wheeling, West Virginia. Five separate serotypes of Salmonella were eventually associated with the outbreak.