Doctor: Pfizer's COVID-19 vaccine "extremely safe" to take

The FDA says it is rapidly working to issue emergency use authorization for Pfizer's coronavirus vaccine. This comes as the U.S. faced its deadliest week of the pandemic so far. CBS News correspondent David Begnaud reports on the logistical challenges ahead for the vaccine rollout, and Dr. Bob Lahita, chairman of medicine at St. Joseph University Hospital, joined CBSN to discuss some common concerns surrounding the vaccine.