HHS further constrains certain vaccine advisers to the CDC, limiting their input in evidence reviews

In a further jolt to the process of reviewing and recommending vaccines at the US Centers for Disease Control and Prevention, another group of outside advisers to the agency was abruptly sidelined this week.

​ In a further jolt to the process of reviewing and recommending vaccines at the US Centers for Disease Control and Prevention, another group of outside advisers to the agency was abruptly sidelined this week. Read More Breaking News, Latest News and Videos | CNN