Gaines County is a vast, flat expanse far in the west of Texas: more than 1,500 square miles of sparsely populated farmland.

The health secretary’s muted response to the first major disease outbreak on his watch worries even some allies.

Pediatricians and public health experts said they’ve seen a surge in requests for “bonus” doses of measles immunization ...

Vaccines are the answer, and trusted leaders must persuade, not coerce, their followers on the issue. | Opinion ...

The measles outbreak is a “call to action for all of us,” health secretary and longtime anti-vaccine activist Robert F. Kennedy Jr. wrote in an opinion essay for Fox News on Monday. “Vaccines not only ...