Here is what we know about polio as a disease, its vaccines and the likely number of lives saved through inoculation.

Meet some of the leaders, influencers and advocates who are heeding the call to "Make America Healthy Again" as RFK Jr. wraps up his confirmation hearing for HHS Secretary.

Over and over at a confirmation hearing on Wednesday, Democratic senators confronted Robert F. Kennedy Jr. about controversial comments they said he had made in the past. And over and over, President ...