Aug 2021: https://web.archive.org/web/20210826113846/https://www.cdc.gov/vaccines/vac-gen/imz-basics.htm https://web.archive.org/web/20210826113846/https://www.

Aug 2021: https://web.archive.org/web/20210826113846/https://www.cdc.gov/vaccines/vac-gen/imz-basics.htm https://web.archive.org/web/20210826113846/https://www.cdc.g... > Vaccine: A product that stimulates a person’s immune system to produce immunity to a specific disease, protecting the person from that disease. Jan 19th, 2022 (when i last looked it up): https://www.cdc.gov/vaccines/vac-gen/imz-basics.htm https://www.cdc.gov/vaccines/vac-gen/imz-basics.htm Vaccine: A preparation that is used to stimulate the body’s immune response against diseases.