Right. Enjoy polio and smallpox. German Measles or Rubella can affect an unborn baby and cause birth defects, both physical and mental. Scarlet Fever can cause your heart to enlarge. Regular vaccines, not RNA vaccines, help the immune system to build up a defense against the disease. A partially or totally dead virus is injected into your system, and your immune system builds antibodies. That is how it's supposed to work. About 30 years ago, the standards got lax. And that is why we have the problems we have now. Big Pharma needs to be held accountable for their lack of high standards.