This isn’t about the flu, which isn’t going to hurt anyone. There will be lots of scary stories about it on the TV though. This is about control and conditioning of the population.
Since everyone understands how to take off their shoes and belt and put their toiletries in a little baggie now, they will soon understand how to do this and get on a bus when told.
You will need a little baggie for your shampoo and toothpaste when you are evacuated from your house. Can’t have anyone with shoes or belts either because those can be used as weapons.
