The US Department of Health and Human Services said it will require that all new vaccines be tested in placebo-controlled trials before they’re licensed for use, raising urgent questions about ...

The US Food and Drug Administration will require all new vaccines to undergo placebo-controlled trials before approval — a policy shift that could reshape how immunizations are developed.

Kennedy Jr. Is changing the way vaccines are tested and will now require all new vaccines to undergo safety testing in placebo-controlled trials, meaning that some people will receive the vaccine ...

Kennedy Jr. will require new vaccines to undergo placebo testing, marking what a department spokesperson called "a radical departure from past practices." The policy change would force vaccines ...

The top US health department plans to require placebo testing for all vaccines in an effort to offer "straightforward" public health information, but experts say such testing could limit ...

The administration will require all new vaccines to be tested against an inert substance known as a placebo before they can be made available, which is a "radical departure from past practices ...

Kennedy Jr., plans to require all new vaccines to be tested in placebo-controlled trials before they are licensed for public use. “Under Secretary Kennedy’s leadership, all new vaccines will ...