Air Particle Specialist On Just How Infectious COVID-19 Can Be

One Sacramento regional scientist who specializes in "transport phenomena," and studies how air particles or droplets transfer from person to person. Dr. William Ristenpart, a Professor at UC Davis and teaches chemical engineering, was asked just how effective masks are in fighting the COVID-19 virus.

A University of California at Davis scientist, Dr. William Ristenpart, discusses just how infectious COVID-19 can be.