The Department of Health and Human Services says it will require new vaccines to be tested against a placebo, which could complicate and delay Food and Drug Administration approval of many vaccines.

U.S. Health and Human Services Secretary Robert F. Kennedy Jr intends to shift the way vaccines are tested, The Washington Post reported on Wednesday, citing a spokesperson from the HHS. The potential

The US Health Secretary has incorrectly claimed the measles jab contains aborted foetus cells, while scientists warn the country is at a tipping point for the infection to become endemic for the first time in 25 years.