Six years after the start of the Covid pandemic, health freedom and vaccine mandates are still major issues at the Arizona Legislature.

For decades, vaccine skeptics were a vocal protest movement. Now, they find themselves much closer to power. Credit...Claire Merchlinsky/The New York Times; Photographs by Getty Images Supported by By ...

Spencer is a public health professor and emergency medicine physician at Brown University. As I stepped into line to pick up my badge for the Children’s Health Defense (CHD) conference last weekend in ...