Department of Health and Human Services Secretary Robert F. Kennedy Jr. said during Wednesday testimony before a House panel that he would "probably" vaccinate his child for measles, if he had one today. The big picture: As measles cases continue to spread throughout the U.S., critics have highlighted Kennedy's history of vaccine skepticism.

At a House budget hearing, Health and Human Services Secretary Robert F. Kennedy Jr. was asked whether he would vaccinate his kids today for measles. Kennedy paused briefly before answering that he would "probably" vaccinate them.

When the Department of Health and Human Services (HHS) announced a new requirement for placebo testing on all new vaccines last week, the agency suggested the move would help protect consumers.