“I’m beginning to wonder if these so called vaccines are worthless - well not to big pharma - but worthless in preventing covid.“
By their own words they do not stop infection or spread. The effectivity number is in reference to reducing symptoms. You read that right, a “vaccine” that does not stop infection or spread.
That goes exactly against he historical science of the established definitions of “vaccines”, “immunity” - bythe cdc’s own data page.
https://www.cdc.gov/vaccines/vac-gen/imz-basics.htm
From the cdc page:
Immunization: The Basics
Definition of Terms
Let’s start by defining several basic terms:
Immunity: Protection from an infectious disease. If you are immune to a disease, you can be exposed to it without becoming infected.
Vaccine: A product that stimulates a person’s immune system to produce immunity to a specific disease, protecting the person from that disease. Vaccines are usually administered through needle injections, but can also be administered by mouth or sprayed into the nose.
Vaccination: The act of introducing a vaccine into the body to produce immunity to a specific disease.
Immunization: A process by which a person becomes protected against a disease through vaccination. This term is often used interchangeably with vaccination or inoculation.