There are labs in Ukraine, backed by the United States, the European Union, Canada and the World Health Organization. These labs work with a number of pathogens, including the ones that cause anthrax, plague and hemorrhagic fever in humans. They study viruses that affect birds and pigs.That does not make them bioweapon facilities.
Source: Russia, China and Tucker Carlson lack evidence on Ukraine bioweapons labs – Poynter