A post shared on X claims to show Centers for Disease Control and Prevention director Dr. Susan Monarez tweeting about childhood vaccines.

Trump’s new CDC director…oof pic.twitter.com/iyD39NkAOb

— Clint Russell (@LibertyLockPod) March 25, 2025

Verdict: False

The post is from 2021. Monarez became acting CDC director in January 2025.

Fact Check:

Social media users are claiming to show Monarez tweeting about childhood vaccines. One user wrote, “Trump’s new CDC director…oof.”

This claim is false. The tweet is from 2021, when Monarez was not director of the CDC. Monarez became acting CDC director on Jan. 15, 2025, according to a CDC press release.

Health and Human Services Secretary Robert F. Kennedy addressed claims that Monarez was behind the posts in a March 25 tweet. (RELATED: Has Trump Ordered The Keystone Pipeline To ‘Transport Only American Oil?’)

X posts that erroneously attribute Biden-era tweets supporting masks, lockdowns, vaccine mandates, etc. to my @CDCgov Director nominee, Susan Monarez, have understandably provoked agita within the MAHA movement. I handpicked Susan for this job because she is a longtime champion…

— Secretary Kennedy (@SecKennedy) March 25, 2025

“X posts that erroneously attribute Biden-era tweets supporting masks, lockdowns, vaccine mandates, etc. to my @CDCgov Director nominee, Susan Monarez, have understandably provoked agita within the MAHA movement. I handpicked Susan for this job because she is a longtime champion…” reads the tweet from Kennedy.