By now, you've heard of the COVID-19 variants that are circulating the globe. You may have also already done your due diligence about whether you should be worried about these new variants or not.

But where do these variants come from and how do we find them?

In the video above, Dr. Jim Musser, chair of pathology and genomic medicine at Houston Methodist Hospital, explains how he and his team are using genome mapping to find and track COVID-19 variants. And, with the almost 30,000 genomes the team has sequenced, he shares how matching this data back to patient outcomes can help experts ask important questions about disease transmission and severity.