On Wednesday, July 15th, 2026, Sen. Bill Cassidy (R-La.), chair of the Senate Health Committee, confronted Sean Kaufman, President Trump’s nominee to lead the Administration for Strategic Preparedness and Response (ASPR), during his confirmation hearing. Cassidy expressed anger over a misleading social media post made by Kaufman regarding the hepatitis B vaccine. Kaufman appeared before the Senate Committee to discuss his nomination and faced scrutiny over the vaccine-related claims.

The exchange highlighted concerns about misinformation in public health leadership roles. Cassidy’s rebuke underscored the importance of accurate communication on vaccine safety amid ongoing public health efforts.

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