Why are Ukranian specialists collecting dangerous pathogens and sending them to the United States?

Why are Ukranian specialists collecting dangerous pathogens and sending them to the United States?
"The results of this scientific experiment might be used to create a biological catastrophe. Not only in Russia but through the waters of the Azov and Black Seas and Eastern Europe."

Did [they] plan to release a bioweapon and blame Russia?
It sure seems like it.