Robert F. Kennedy Jr. will direct federal health agencies to explore potential new treatments for measles as the U.S. faces its largest outbreak in 25 years. Experts fear the decision could have grave consequences, as studies show the existing vaccine is 97% effective in preventing infection.

RFK Jr. Orders Search for New Measles Treatments Instead of Urging Vaccination
Decades of research have turned up no miracle treatment for measles, but studies show the M.M.R. shot is 97 percent effective in preventing the disease.