Federal health officials are addressing the first severe case of bird flu detected in a human during the U.S. outbreak

Vaccines today are more efficient and contain far fewer stimulants to the immune system than some used decades ago

Makary earned praise for his embrace of science, but some in public health are uneasy

Aaron Siri, who specializes in vaccine lawsuits, has been at RFK Jr.'s side reviewing candidates for top jobs at the DHHS