The vaccine protects only about one-third of the children vaccinated, but it could help reduce the huge impact of the disease, especially in Africa.

Family members, doctors and the patient’s wife struggle over ending the life of a Frenchman in a prolonged coma.

Critics say such approaches bring financial relief to patients but fail to control spiraling prices set by drugmakers.

Researchers say larger prevention studies should start analyzing gender differences to see why women decline faster.