There's still lots to learn about omicron, but two things are certain: vaccinations will provide some level of protection, and until the majority of the world's population is vaccinated, we may continue to see new variants. Vaccine experts Dr. Anna Durbin and Dr. Bill Moss talk with Stephanie Desmon about viral mutations and what we might expect to see when it comes to SARS-CoV-2, what needs to be done to address ongoing challenges with global vaccine distribution, and the importance of sharing vaccine technology to help curb future pandemics.