Revision as of 07:00, 4 September 2021 by Admin(talk | contribs)(Created page with "{{ImageInfoBox2|name=vaccines}} {{TableRow|title=Advertising|data={{AmazonLinkSTSL}} }} |}</div> Vaccines were chemically crippled segments of viruses and/or bacteria...")
Vaccines were chemically crippled segments of viruses and/or bacteria used to stimulate an immune response that would protect an individual from later infection by those substances.[1]