The actual number of sick inmates likely ranged between 250 (KCCF estimate) and 666 (projection calculated by survey attack rate).
No employees of KCCF or of the contracted food service company reported illness and none reported consuming the lunch meal on April 15.
Data analyses (Epi Info 6) were utilized to evaluate the 60 food items consumed by the KCCF population during the previous 72 hr according to the menu.
The KCHD environmental health investigation team conducted an initial investigation at the KCCF facility on April 16, 2012, and made several follow-up visits during the subsequent two weeks.
While this trustee's claim could not be confirmed, KCCF employees stated that it is not unusual to combine leftovers into new meals in order to conserve resources.
While no photographs of the suspected meal from April 15 were taken, KCHD investigators did photograph a meal from the prior day that demonstrates the general presentation and appearance of meals served at KCCF It should also be noted that the meal items in the large section of the tray (beans and rice) contacted one another in a similar way as was reported from the April 15 meal (chicken taco meat mixture, rice with cheese, and beans).
A report consisting of 23 food safety improvement recommendations was issued to KCCF and the contracted food service company as a result of these findings.