 Navidea Biopharmaceuticals, Inc. NYSE American:NAVB Navidea or the Company, a company focused on the development of precision immunodiagnostic agents and immunotherapeutics, today announced it will host a conference call and webcast on Thursday, August 13, 2020 at 5:00 p.m. EDT to discuss financial results and corporate developments for the second quarter ended June 30, 2020. 