The outbreaks are fueled by falling vaccination rates, fading immunity, and delays in public health tracking systems.

A new five-year offshore oil and gas leasing plan proposes 21 sales in Alaska, from the Gulf of Alaska to the High Arctic.

Gounder is a senior fellow and editor-at-large for public health at Kaiser Health News. She is physician and medical journalist with a specialty in infectious diseases.

Aaron Christian Peterson didn't face any tough questions during a public hearing of the Senate committee on the Judiciary.