Debunked by Snopes already. But within, actually verified.

"Here in Ukraine, the U.S. Department of Defense’s Biological Threat Reduction Program works with the Ukrainian Government to consolidate and secure pathogens and toxins of security concern in Ukrainian government facilities, while allowing for peaceful research and vaccine development. We also work with our Ukrainian partners to ensure Ukraine can detect and report outbreaks caused by dangerous pathogens before they pose security or stability threats."