 SEATTLE, April 30, 2021 GLOBE NEWSWIRE -- Atossa Therapeutics, Inc. Nasdaq: ATOS, a clinical-stage biopharmaceutical company seeking to discover and develop innovative medicines in areas of significant unmet medical need in oncology and infectious diseases, today announced that Atossa CEO Dr. Steven Quay will participate in a panel discussion at Cello Healths Cancer Progress Virtual Conference on May 6, 2021 at 10:00 AM ET. The conference will be conducted from May 4-6, 2021. 