Note that if you read the sentence carefully, there is nothing that said the fridge itself was the cause of the odor!
"AN OFFICE WORKER cleaning a fridge full of rotten food CREATED A SMELL so noxious that it sent seven co-workers to the hospital..."
I'm pretty sure every office has one of those guys...
MATH AND ALCOHOL DON'T MIX! Please, don't drink and derive. Mathematicians Against Drunk Deriving