iBio Inc., a biotechnology innovator and biologics contract manufacturing organization, has entered into an exclusive worldwide license agreement with Planet Biotechnology Inc. for the development of Planet’s COVID-19 therapeutic candidate, ACE2-Fc.   ACE2-Fc is a recombinant protein comprised of human angiotensin converting enzyme 2 (ACE2) fused to a human immunoglobulin G Fc fragment (Fc). As an immunoadhesin, ACE2-Fc targets the coronavirus virions directly by using the ACE2 extracellular dom...