Ukraine - biological research facilities

https://www.google.com/search?q=victoria+nuland+ukraine+biological+research+facilities

https://www.rubio.senate.gov/public/index.cfm/press-releases?id=E579E02B-3BA3-4FED-A515-A175384AD9D0

"Nuland: Ukraine has biological research facilities, which, in fact, we are now quite concerned Russian forces may be seeking to gain control of. So we are working with the Ukrainians on how they can prevent any of those research materials from falling into the hands of Russian forces, should they approach."