Infection Posted on 1st December 201512th April 2021 by ThePD (The Project Definition) An Infection is a disease in a part of the body that is caused by a virus or bacteria. Related Definitions in the Project: The HSE Management Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on LinkedIn (Opens in new window) Related Posted in HSE and tagged health, hse. ThePD (The Project Definition) ThePD has been developing the Preferred Project Definitions based on the actual project execution and operation experiences and knowledge with the Project Language, and sharing with you daily basis.