Fauci on Child Vaccinations, Boosters and Merck Covid Pill

Oct.06 -- Dr. Anthony Fauci, chief medical adviser to U.S. President Joe Biden, says he can't predict when or if a Covid-19 vaccine for children will be approved. He also comments on Merck's Covid pill and the possibility of being able to mix and match booster shots. He speaks with Bloomberg's David Westin on "Balance of Power."