During her testimony to senators on Wednesday, ousted CDC director Susan Monarez accused HHS Secretary RFK Jr. of undermining public health and said she's nervous about Thursday's vaccine ad...

The ride-hailing and food delivery company said it would roll out the service in U.S. pilot markets by the end of the year....

Robert F. Kennedy Jr. dismissed the CDC director and advisory committee last month. Today, the new panel begins a two-day meeting to decide on vaccine recommendations....