ATLANTA: The Centers for Disease Control and Prevention is increasing its promotion of the benefits of immunization via a trio of RFPs worth a collective $6.5 million targeting audiences ranging from preteens to medical providers.

The federal health agency has become especially concerned about the bad reputation some vaccines have developed in the minds of consumers. More websites, blog posts and articles have emerged in recent years claiming vaccines cause everything from autism to diabetes to Gulf War Syndrome, the CDC said ...