This guy takes it even further than I do! Hopefully it’s for the humour value!
But seriously, you have 10,000 different types of germs right now. Why don’t they all make you sick? Because your immune system is doing what it is designed to do!
And if you’ve been keeping up with my posts you will have read recently that unless a baby has an infection before they are one, their immune system does not develop the way it should!