Sbarro is always the worst thing ever, but sometimes, when you are in an airport and you need to cram a quick bite down your gullet, you take the hit. And sometimes when you do that, you will discover that the terrible Sbarro you grew up with at your local mall was in fact a superb and splendid culinary experience compared to what the Las Vegas airport offers by way of Sbarro.
I am 95% sure if you fed this to an elderly person or a small child, both groups with immune system issues, it would kill them.