“Aren’t clinical trials for new vaccines double-blind with placebo controls anyways? Like this is standard practice.”
Reddit comment: https://old.reddit.com/r/news/comments/1kczbn2/rfk_jr_plans_placebotrial_testing_for_all_new/mq6n4td/

“Not if a safe and effective vaccine already exists. Why? Because it’s unethical to not give someone protection from a preventable disease if protection exists.”
Reddit reply comment: https://old.reddit.com/r/news/comments/1kczbn2/rfk_jr_plans_placebotrial_testing_for_all_new/mq6os2p/

“If a vaccine already exists, a lot of times the existing is compared to the new version. I participated in such a trial for prevnar (13 vs. 20). when they were testing a version that covers more strains of a bacteria or virus.”
Reddit reply comment: https://old.reddit.com/r/news/comments/1kczbn2/rfk_jr_plans_placebotrial_testing_for_all_new/mq6pnvo/