Hi, Maybe you will agree with me after reading these articles.
https://www.cdc.gov/coronavirus/2019-ncov/vaccines/different-vaccines/janssen.html
https://www.cdc.gov/coronavirus/2019-ncov/vaccines/different-vaccines/Moderna.html
https://www.cdc.gov/coronavirus/2019-ncov/vaccines/different-vaccines/Pfizer-BioNTech.html
https://www.cdc.gov/coronavirus/2019-ncov/vaccines/different-vaccines/mRNA.html
https://www.cdc.gov/coronavirus/2019-ncov/vaccines/different-vaccines/viralvector.html