“…a product that stimulates a person’s immune system to produce immunity to a specific disease, protecting the person from that disease.” Immunity, in turn, is defined as “Protection from an infectious disease,” meaning that “If you are immune to a disease, you can be exposed to it without becoming infected.” Neither Moderna nor Pfizer claim this to be the case for their COVID-19 “vaccines.”
National Center for Immunization and Respiratory Diseases. Immunization Basics | Vaccines and Immunizations. Centers for Disease Control and Prevention (CDC). 2021. https://www.cdc.gov/vaccines/vac-gen/imz-basics.htm.