adverse event infection AE YH, JX MedDRA: 10021789 an adverse event that has an outcome of a pathogen infection, i.e., an infection caused by a pathogen such as a virus, bacterium, or parasite. infection change of name from 'infection adverse event' to 'infectious adverse event' on 09/23/13 for a better clinical relevance, move 'infection adverse event' as an alternative term - SS infectious adverse event WEB: http://medical-dictionary.thefreedictionary.com/infection