Video: Will coronavirus vaccines work against new variant? UPenn doctor weighs in

Microbiologist Susan Weiss, Ph.D. has been studying coronaviruses for four decades and is now co-director of Penn′s Center of research on coronavirus and other emerging pathogens. As for this new variant, she says there is still a lot to learn and as to whether it makes the virus spread faster, that hasn′t been scientifically proven yet.