The Trump administration’s new vaccine advisers endorsed this fall's flu vaccines late last week, but only those that don't contain the ingredient thimerosal.

Health experts were shocked to see that thimerosal, a preservative that has largely been phased out of U.S. vaccines, was on the ACIP agenda.

Data for a new drug showed it can help keep babies out of the hospital with respiratory syncytial virus, or RSV. Scientists of the Centers for Disease Control and Prevention presented the evidence in a long series of slides to the federal vaccine panel recently remade by Health and Human Services Secretary Robert F.