A lot of people believe that mental problems are all caused by disembodied souls of people from the planet Teegeeack, brought here by Xenu of the Galactic Confederation in spacegoing DC-10s and blown up by A-bombs in Hawaii.
Additionally how about we don't just jump to lumping huge numbers of people into out groups to feel better about ourselves and create divisiveness? Or go to Reddit where you can cheer on people dying.
https://yournews.com/2022/07/11/2375584/emails-confirm-why-c...
"a substance used to stimulate the production of antibodies and provide immunity against one or several diseases, prepared from the causative agent of a disease, its products, or a synthetic substitute, treated to act as an antigen without inducing the disease."
Steriods and antibodies don't meet this definition. No vaccine has a 100% success rate, so reducing symptoms doesn't make it not a vaccine.