In the context of the regular briefing of postgraduate and postdoctoral fellows, collaborating faculty members, Researchers and other employees and collaborators of FORTH /ICE-HT on health and safety issues, a virtual seminar was organized on Monday, April 12, 2021, at 12.00 pm, entitled: “Biological factors”. The presentation was given by Mr. Pavlos Klepetsanis, Associate Professor of the Department of Pharmacy of the University of Patras and Collaborating Faculty Member of FORTH/ICE-HT. Prof. Klepetsanis is a member of the Work Group “Safety and Health” of FORTH/ ICE-HT and a member of the Steering Committee of Health and Safety of the University of Patras.