Kennedy Jr., a longtime anti-vaccine conspiracy theorist, will now require placebo testing for “all new vaccines.”“All new vaccines will undergo safety testing in placebo-controlled trials prior to licensure — a radical departure from past practices,

Robert F. Kennedy Jr, the United States’ top public health official, recently claimed some religious groups avoid the measles, mumps and rubella (MMR) vaccine because it contains “ aborted fetus debris ” and “DNA particles”.

The potential change outlined in a statement would require all new vaccines to undergo placebo testing, sparking concerns among medical experts.