Oxford Immunotec raises $28 million

Oxford Immunotec Ltd. (Abingdon, U.K.) raised $28 million in a financing led by Imperial Innovations Group and Invesco Perpetual. Existing investors Clarus; New Leaf; DFJ Esprit; Wellington Partners; Kaiser Permanente Ventures; Spark Ventures; and the University of Oxford participated. Oxford Immunotec markets the T-SPOT.TB test, an enzyme-linked immunospot (ELISpot) assay, in the U.S. as an aid for diagnosing Mycobacterium tuberculosis infection. ...