Carol Taccetta, MD, Requests References from CBER Director to Support CDC’s “[Building] Evidence” That Experimental Bivalent COVID-19 Vaccines Are “Safe and Effective” During Pregnancy and “Not Associated with Fertility Problems”
Dr. Carol Taccetta’s Letter to Dr. Peter Marks
July 8, 2023
Peter Marks, MD, PhD
Director, Center for Biologics Evaluation and Research
U.S. Food and Drug Administration
10903 New Hampshire Avenue
Silver Spring, MD 20993
Dear Dr. Marks,
I have a question, please: Are you able to provide references for the currently cited building “evidence” that the bivalent COVID-19 vaccines are “safe and effective” during pregnancy and “not associated with fertility problems”?
- “The monovalent Moderna and Pfizer-BioNTech COVID-19 vaccines are no longer authorized for use in the U.S.” (https://www.fda.gov/emergency-preparedness-and-response/coronavirus-disease-2019-covid-19/covid-19-bivalent-vaccines)
- “The FDA authorized the Moderna COVID-19 Vaccine, Bivalent and the Pfizer-BioNTech COVID-19 Vaccine, Bivalent.” (https://www.fda.gov/emergency-preparedness-and-response/coronavirus-disease-2019-covid-19/covid-19-bivalent-vaccines)
- Per a 2015 final rule, pregnancy categories A, B, C, D, and X have been removed from all drug product labeling. This information has been replaced by the “Risk Summary” section of the labeling. (https://s3.amazonaws.com/public-inspection.federalregister.gov/2014-28241.pdf)
- Regarding pregnancy, the “Risk Summary” sections of the Moderna and Pfizer Fact Sheets, respectively, state:
- We know, per the respective Fact Sheets, that “data are not available” and “no data are available” regarding the use of the bivalent vaccine in pregnancy.
- Both the Moderna and Pfizer –BioNTech COVID-19 Vaccines (Bivalent (Original and Omicron BA.4/BA.5)), were first EUA-authorized on August 31, 2022. (https://www.fda.gov/media/144636/download, https://www.fda.gov/media/150386/download)
- But when I click on the hyperlink for “Evidence,” I’m taken to a webpage that only shows references from prior to the August 31, 2022 authorization date of the bivalent vaccines, i.e., the data is based solely on the older, now obsolete, monovalent vaccine: https://www.cdc.gov/coronavirus/2019-ncov/vaccines/recommendations/pregnancy.html – anchor_1628692520287.
In light of this apparent disconnect, I would greatly appreciate your urgent response to my question at the top of this letter.
Carol Taccetta, MD, FCAP
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