| exposure_process_preferred | | | |
| administering substance in vivo | A planned process by which a material is intentionally given to an organism resulting in exposure of the organism to that substance. | | |
| documented exposure without evidence for disease | A process in which an organism is exposed to a substance which is evident from that process having been observed or documented. | | |
| environmental exposure to endemic/ubiquitous agent without evidence for disease | A process in which an organism's exposure to a material entity is assumed from that material being commonly present in the environment of the organism. | | |
| exposure to substance without evidence for disease | An unplanned process in which an organism comes into contact with a substance without evidence for a disease caused by that exposure. | | |
| exposure with existing immune reactivity without evidence for disease | A process in which an organism is exposed to a material entity which is evident by a detectable immune reactivity against it. | | |
| infectious challenge | Administering an infectious agent to an organism in order to test if and how an infection will occur. | | |
| no exposure | An organism's lifspan which does not include exposure to a substance of interest. | | |
| occurrence of allergic disease | The process in which an allergic disease unfolds. | | |
| occurrence of asymptomatic infection | A process in which an infectious agent is in or on the body of an organism without causing detectable disease . | | |
| occurrence of autoimmune disease | The process in which an autoimmune disease unfolds. | | |
| occurrence of cancer | The process in which cancer unfolds | | |
| occurrence of cancer associated with virus | An occurence of cancer where there is evidence for the presence of a cancer causing oncovirus in the tumor. | | |
| occurrence of disease | The process in which a disease unfolds. | | |
| occurrence of infectious disease | The process in which an infectious disease unfolds. | | |
| solid tissue transplantation | A planned process in which solid tissue is transferred to an organism | | |
| transfusion | A planned process in which a bodily fluid is transferred into an organism | | |
| transplantation or transfusion | Transfering a solid tissue (transplant) or bodily fluid (transfusion) to an organism. | | |
| unknown | An organism's lifespan for which there is no available information on an exposure to a material entity of interest. | | |
| vaccination | Adminstering a vaccine to an organism with the intention of inducing immunity against antigen components of the vaccine. | | |