NBC News correspondent Steve Patterson reports on the hard-hit California health-care system, which now has to contend with a new highly infectious strain of Covid-19. For access to live and exclusive video from CNBC subscribe to CNBC PRO: California health…

The mutant coronavirus strain in the U.K. is highlighting how we need to invest in genomic sequencing. Dr. Nahid Bhadelia, Infectious Diseases Physician and Director of Special Pathogens at Boston Medical Center, joins Worldwide Exchange with her perspective on how…