Add Yahoo as a preferred source to see more of our stories on Google. In scientific research, randomized, placebo-controlled clinical trials are considered to generate the highest-quality evidence. - ...

The Trump administration plans to impose a new testing requirement for new vaccines — a demand that could delay the availability of the next round of COVID-19 vaccines and complicate the approval of ...

In picking Robert F. Kennedy Jr. to lead the U.S. Department of Health and Human Services, President-elect Donald Trump is elevating a small but growing segment of the population that distrusts ...

US Health and Human Services Secretary Robert F. Kennedy Jr. has repeatedly claimed in public statements that most vaccines recommended for children in the US have not been tested against placebos, ...

This story is free to read because readers choose to support LAist. If you find value in independent local reporting, make a donation to power our newsroom today. The Trump administration plans to ...

The placebo-controlled part of the study included more than 400,000 grade-schoolers. Half got the inactivated polio vaccine created by Dr. Jonas Salk, and the other half were given injections of an ...