Experts say COVID-19 vaccine is not the sole answer to the
pandemic
President Biden says the U.S. is buying 200 million more doses of COVID-19 vaccines, but the process of vaccinating a majority of Americans will take months. CBSN’s Tanya Rivero spoke with Jeffrey Shaman, a professor of environmental health sciences at Columbia University, about what the nation needs to do to bring the coronavirus pandemic under control.
