“Under anti-vaccine Health Secretary RFK Jr., scientists at the Centers for Disease Control and Prevention have been blocked from publishing a scientifically vetted study finding significant health benefits from this season’s COVID-19 vaccines”
https://arstechnica.com/health/2026/04/cdc-study-shows-covid-shot-benefits-trump-official-blocks-release/
CDC study shows COVID shot benefits; Trump official blocks release

Study found shots cut urgent care and hospitalization by about 50% in healthy adults.

Ars Technica