Which term refers to a state or period of isolation for individuals exposed to infectious diseases?

The term that refers to a state or period of isolation for individuals exposed to infectious diseases is "quarantine." Quarantine is specifically designed to separate and restrict the movement of people who may have been exposed to a contagious disease, preventing them from spreading it to others while monitoring for any symptoms of illness. This practice is important in controlling outbreaks and protecting public health.

Containment generally refers to broader strategies aimed at controlling the spread of diseases, which can include a range of measures beyond just isolating individuals. Isolation, while similar to quarantine, specifically pertains to separating individuals who are already sick from those who are healthy, rather than those who have been exposed but are not symptomatic. Seclusion does not have a standardized definition in the context of infectious diseases and is more general in nature, referring to being set apart from others. Thus, quarantine is the most accurate term for the isolation of potentially exposed individuals.