Merck & Co adds COVID-19 drug to pipeline with OncoImmune buyMerck & Co is to buy US biotech OncoImmune for at least $425m, adding a potential new therapy Share XMerck & Co adds COVID-19 drug to pipeline with OncoImmune buyhttps://pharmaphorum.com/news/merck-co-adds-covid-drug-to-pipeline-with-oncoimmune-buy/