Carly Fiorina's Fuzzy Vaccine Claims Debunked

Carly Fiorina recently said some unnamed vaccine-preventable diseases are “not communicable” and “not contagious,” and some immunizations are not “necessary” for school-age children. The fact is that every immunization recommended by the Centers for Disease Control and Prevention covers a highly communicable disease.

Fiorina, a former businesswoman, is running for the Republican presidential nomination. Though her campaign did not respond to repeated requests to clarify which diseases and vaccines she meant, Fiorina on two occasions suggested the vaccine for human papillomavirus, or HPV, should not be mandatory for children. However,...