Doctors say for diseases like measles or polio, they argue it may be wrong to withhold vaccines from people in a placebo group when those vaccines have already been shown to be effective.

RFK Jr. wants placebo trials for vaccines. A Northwestern researcher says that's unethical.

A Department of Health and Human Services spokesperson called the move "a radical departure from past practices." ...

The Department of Health and Human Services says it will require new vaccines to be tested against a placebo, which could ...

Public health experts warn that the change could lead to people getting a placebo shot instead of a necessary vaccine.

The U.S. Health and Human Services Department says it will require placebo testing of "all new vaccines," raising questions ...

The Trump administration will require that all new vaccines get tested against a placebo, a move that could make it harder to make new vaccines available, including the next COVID-19 shots.

More than 880 measles cases have been reported in the U.S. since February, including at least 660 in Texas, amid rising ...

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

The department will now require all new vaccines to undergo safety testing in placebo-controlled trials, meaning some people ...

If the FDA deems Pfizer’s and Moderna’s updated vaccines “new” products, it’s extremely unlikely the doses would be ready for ...

Under Secretary Robert F. Kennedy Jr.’s direction, the Department of Health and Human Services is requiring that all new ...