With Biotest-developed Yimmugo, Grifols adds to its remarkable franchise of intravenous and subcutaneous immunoglobulins to meet strong demand Yimmugo, already approved for production and marketing in Europe, is the first U.S.-approved medicine in Biotest's portfolio and is manufactured with an innovative process at Biotest's new FDA-certified ‘Next Level' facility U.S. approval of Yimmugo paves the way for other Biotest proteins in late-stage development, including fibrinogen and trimodulin Launching Yimmu ...