Merck Signs Definitive Agreement to Acquire Mirus Bio, Furthering Ambition to Be a Leading Supplier for Viral Vector ManufacturingContributed by: Business WireLogoImagesMerck operators monitoring viral vector production in a bioreactor in Merck's Carlsbad, California manufacturing facility. (Photo: Business Wire)TagsHealthGeneticsResearchPharmaceuticalScienceBiotechnologyAcquisition