 MIRAMAR, Fla., May 04, 2021 GLOBE NEWSWIRE -- Generex Biotechnology Corporation OTCQB:GNBT Generex or the Company, an innovative and integrated healthcare holding company with end-to-end solutions for patient centric care including the development of its innovative Complete Vaccine to fight SARS-CoV-2, today announced the call in details and an updated agenda for the shareholder conference call on Thursday May 6, 2021 at 9:00 AM. 