Kennedy's proposal to let bird flu spread through poultry flocks instead of culling has drawn criticism from scientists, ...

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. 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.

(Left) Robert F. Kennedy Jr.; (Right) Stock image of a chicken.

Kennedy, Jr., says that vaccinating the nation’s poultry flocks against pervasive H5N1 bird flu could turn them into “mutation factories.” “All of my agencies advise against vaccination of ...

RFK Jr. has railed against giving poultry the bird flu vaccination because he fears that it will turn flocks into "mutation factories." © AFP/Andrew Harnik/Getty ...

Health and Human Services Secretary Robert F. Kennedy, Jr., says that vaccinating the nation’s poultry flocks against pervasive H5N1 bird flu could turn them into “mutation factories.” “All of my ...