Trump Moves to Scale Back Childhood Vaccines Over Conspiracy Theory - Yahoo

Theory Briefing

• A sitting U.S. president is reportedly acting on a conspiracy theory to roll back one of modern medicine's most established public health tools.
• The move targets childhood vaccines, a program credited with eliminating or drastically reducing diseases like polio and measles in the U.S.
• Policy driven by fringe belief rather than scientific consensus risks reversing decades of herd immunity gains across the population.
• The episode shows how a debunked idea can travel from the internet fringe all the way into executive-branch decision-making.