Dr. Susan Monarez was sworn in Thursday as director of the US Centers for Disease Control and Prevention, and she’s taking the reins at a perilous time for the agency. The CDC has lost nearly a quarter of its staff since January,

The Senate confirmed Susan Monarez as director of the Centers for Disease Control and Prevention on Tuesday evening.

From vaccines to fluoride, here's what the newly confirmed CDC director Susan Monarez has said about some key health topics.