 CHARLESTON, S.C., April 28, 2021 GLOBE NEWSWIRE -- Aeterna Zentaris Inc. NASDAQ: AEZS TSX: AEZS Aeterna or the Company, a specialty biopharmaceutical company commercializing and developing therapeutics and diagnostic tests, today announced its Annual General Meeting AGM will be held on May 5, 2021 at 10:00 a.m. ET. Due to the impact of the COVID-19 pandemic, the meeting will be held virtually. 