Steve has managed to contaminate 3 different types of food in one sitting: last night's leftover pizza, the salad he was supposed to bring for lunch, and the batch of homemade kimchi that was still fermenting in the pantry.
Proceed to Step 4: The Regretful Retch Or, if you're feeling brave, proceed to Step 5: The Bacteria Bonanza Or, you know, just go home and drink a gallon of hand sanitizer