Tallahassee, Fla.— On December 6, 2023, State Surgeon General Dr. Joseph A. Ladapo sent a letter[https://www.floridahealth.gov/about/_documents/12-06-2023-DOH-Letter-to-FDA-RFI-on-COVID-19-Vaccines.pdf?utm_source=floridahealth.gov&utm_medium=referral&utm_campaign=PressRelease&utm_content=Florida's_Future_Budget&url_trace_7f2r5y6=Press_Release_Template_fry_2023_alt.docx] to the United States Food and Drug Administration (FDA) Commissioner Dr. Robert M. Califf and Center for Disease Control and Prevention (CDC) Director Dr. Mandy Cohen regarding questions pertaining to the safety assessments and the discovery[https://osf.io/preprints/osf/mjc97?utm_source=floridahealth.gov&utm_medium=referral&utm_campaign=PressRelease&utm_content=Florida's_Future_Budget&url_trace_7f2r5y6=Press_Release_Template_fry_2023_alt.docx] of billions of DNA fragments per dose of the Pfizer and Moderna COVID-19 mRNA vaccines.