Moderna's shares fell 2.5% before the bell on Friday, on concerns whether a new CDC advisory panel would back the use of the company's respiratory syncytial virus vaccine in a broader age group.

Just two days after retiring the entirety of the US Centers for Disease Control and Prevention’s vaccine advisory panel, US Health and Human Services Secretary Robert F. Kennedy Jr. has appointed several prominent critics of the government’s Covid-19 response to that committee.

Career officials at the Centers for Disease Control and Prevention responsible for overseeing the agency's committee of outside vaccine experts have been removed from their role in the process, multiple CDC officials tell CBS News.

Note that some links may require registration or subscription. An Air India passenger plane bound for London with more than 240 people on board crashed into a medical school hostel in India's northwestern city of Ahmedabad. There were no known survivors. ( AP)