BlueWillow Biologics® today announced the issuance of U.S. patent number 10,138,279 covering an intranasal NanoVax® anthrax vaccine. The patent, issued to the University of Michigan under exclusive license to BlueWillow, is based on research conducted by the University demonstrating the vaccine’s ability to elicit long-term protection against lethal anthrax challenge in animals. BlueWillow’s intranasal NanoVax platform employs a novel oil-in-water emulsion adjuvant that elicits both systemic and mucosal immunity, thereby uniquely protecting against challenging respiratory infections.