RFK Jr. has once again railed against vaccines, this time claiming that vaccinating birds against avian flu will turn flocks into "mutation factories."

Robert F. Kennedy Jr. addressed the worsening avian flu crisis, saying vaccinating birds turns them into “mutation factories." Instead, he recommends letting the birds who survive the virus continue to breed.

Kennedy Jr. The Health and Human Services Secretary for the Trump administration- known for questioning vaccines- said that vaccinating American poultry stocks against the bird flu virus could turn them into "mutation factories.

In an interview with Fox News host Sean Hannity, Kennedy explained that his main concern with inoculating chickens is that if the vaccine does not completely prevent infection it could help spawn new variants of bird flu that may be more likely to infect humans.