When you mess with Nature without understanding the full implications of what you are doing then the balance is going to be upset in many ways.
We have evolved with bacteria and viruses for 500 billion years.
Our immune systems have evolved over this time to cope with these attacks.
Vaccinating everyone is destroying natural immunity and children are now succumbing to diseases they were not exposed to before as children.
Most childhood diseases are not life-threatening. They are inconvenient.
But they exercise the immune system and that is invaluable for life.
And profit is not the best indicator of health…..