Robert F. Kennedy, Jr. has resurrected the antivax claim that the childhood vaccine schedule has never been tested in randomized controlled trials (RCTs) with a saline placebo controls (and therefore the vaccine schedule is unsafe). This is an old and deceptive antivax half-truth that ignores both what constitutes a scientifically valid placebo and the ethical requirements for RCTs.
![Saline placebo](https://i0.wp.com/www.respectfulinsolence.com/wp-content/uploads/2023/06/Saline.jpg?fit=600%2C600&ssl=1)