Fauci privately warned about COVID vaccine miscarriage risks

In early 2021, Dr. Anthony Fauci privately discussed concerns regarding the COVID-19 mRNA vaccines and their potential risks for pregnant women, particularly the theoretical link to miscarriages due to cytokine responses after vaccination. Despite these private concerns, he publicly assured that there were no red flags regarding vaccine safety for pregnant women. The release of these communications has sparked controversy and criticism over the perceived discrepancy between private discussions and public statements.

Fauci privately warned about COVID vaccine miscarriage risks
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Updated Aug 11, 2026 First published Aug 10, 2026

Topic overview

Briefly

  • Dr. Anthony Fauci expressed private concerns about the COVID-19 vaccine's potential link to miscarriages during discussions with health officials.
  • Despite these private warnings, Fauci publicly stated there were no safety issues for pregnant women regarding the vaccine.
  • The release of these texts has led to significant public backlash and raised questions about transparency in health communications.

What happened

In early 2021, Dr. Anthony Fauci, then director of the National Institute of Allergy and Infectious Diseases, engaged in private discussions with Dr. Rochelle Walensky and Dr. Vivek Murthy regarding the COVID-19 mRNA vaccines and their implications for pregnant women. During these exchanges, Fauci expressed concerns about the potential for significant cytokine-related symptoms and fever following the second vaccine dose, which he noted could theoretically be associated with miscarriage during the first trimester. Despite these private concerns, Fauci publicly stated that there were no red flags regarding the safety of the vaccines for pregnant women. This discrepancy between private discussions and public statements has raised questions about the communication of risks to the public, particularly as pregnant women had largely been excluded from initial vaccine trials. The release of these text messages by Senators Rand Paul and Ron Johnson has sparked significant backlash, with critics accusing Fauci of misleading the public about vaccine safety. The discussions also highlighted the tension between the need for vaccination to protect against COVID-19 and the lack of comprehensive data on vaccine safety in pregnant populations. As the pandemic progressed, health authorities, including the CDC, began to recommend COVID-19 vaccination for pregnant women, citing the absence of evidence indicating increased risks. However, the initial hesitance and the concerns raised in private communications have continued to fuel debates about informed consent and public health messaging.

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Updated Aug 11, 2026

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