The new BA.5 subvariant of COVID-19 has been reported to be the most virulent seen since the pandemic began. Dr. Sampson Davis, an emergency medicine physician, joined Cheddar News to talk about the most recent surge in this latest version of the disease and what it means for the 30 percent of Americans who remain unvaccinated. "Those who have not been vaccinated, if you have not been vaccinated, yes, this has become — this does become a concern because you are at risk of death," he said.