As the Russia's invasion of Ukraine continues, medical experts are worried conditions in active warzones will exacerbate the current pandemic — or even give rise to other contagions. Dr. Daniel Fagbuyi, a war veteran and former Obama administration biodefense appointee, joined Cheddar News to discuss the ongoing danger of COVID-19 on top of the war, as well as the potential for new variants to emerge. "I mean just large volumes of people definitely is a breeding ground. That's the worst case," he said. "Two things don't mix: war-conflict and a virus, a potential pandemic virus."