Did illegal immigration cause recent U.S. measles outbreaks?
Byron Donalds says recent U.S. measles outbreaks were caused by rampant illegal immigration. We compare the claim with outbreak and vaccination data.
Public research library
Fact-checks built from traceable evidence.
Browse public claims checked against current web sources. Every report shows its verdict, evidence, limitations, and citations.
Did Gain-of-Function Research Cause COVID-19, RSV and Lyme?
Fact-checking RFK Jr.’s claim that gain-of-function research caused COVID-19, RSV and Lyme disease — and that RSV is the leading killer of U.S. children.