Rubella Posted on 18th December 20159th May 2021 by ThePD (The Project Definition) Rubella is a rare illness that causes a spotty rash by the rubella virus, which is usually transmitted by droplets from the nose or throat. 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.