![COVID-VACCINE-HOSPITAL-WORKERS-NORTH-SUBURBAN-THORNTON-201217](https://www.cpr.org/cdn-cgi/image/width=3840,quality=75,format=auto/https://wp-cpr.s3.amazonaws.com/uploads/2020/12/201217-COVID-VAX-NORTH-SUBURBAN-MED-CENTER-0034.jpg)
Colorado became the first state to discover a case of the new COVID-19 variant that swept through the United Kingdom. Dr. Michelle Barron, senior medical director of infection prevention and control for UCHealth, discusses what is and isn't known about the strain.