US intelligence agency divided by the origin of COVID-19

Members of US intelligence remain divided over the origin of COVID-19. According to a report released Friday by the Director of National Intelligence’s office, there are two possible sources of information. The virus originated from an infected animal or laboratory. Dr. Stanley Perlman, a professor of microbiology and immunology at the University of Iowa and a doctor of pediatric infectious diseases, joined CBSN’s Lana Zak to discuss the findings of the report.