# description
 Code for the mechanism by which the exposure agent was exchanged or potentially exchanged by the participants involved in the exposure.

# property[].description
Indicates that the code is abstract - only intended to be used as a selector for other concepts

# concept[].definition
Code for the mechanism by which the exposure agent was exchanged or potentially exchanged by the participants involved in the exposure.

# concept[].concept[].definition
Description: Communication of an agent from a living subject or environmental source to a living subject through indirect contact via oral or nasal inhalation.

# concept[].concept[].definition
Description: Communication of an agent from a living subject or environmental source to a living subject through direct physical contact.

# concept[].concept[].definition
Description: Communication of an agent from a food source to a living subject via oral consumption.

# concept[].concept[].definition
Description: Communication of an agent to a living subject by contact and/or consumption via an aqueous medium