ZMapp® Information, MappBio Inc.ZMapp® is the result of a collaboration between Mapp Biopharmaceutical, Inc. and LeafBio (San Diego, CA), Defyrus Inc. (Toronto, Canada), the U.S. government and the Public Health Agency of Canada (PHAC).

ZMapp® is composed of three “humanized” monoclonal antibodies manufactured in plants, specifically Nicotiana. It is an optimized cocktail combining the best components of MB‐003 (Mapp) and ZMAb (Defyrus/PHAC).