Define "quarantine" in the context of infection control.

Quarantine, in the context of infection control, specifically refers to the practice of separating individuals who may have been exposed to an infectious agent but are not yet showing symptoms of the disease. This measure is implemented to prevent the possible spread of infection during the incubation period, which is the time between exposure to the infectious agent and the onset of symptoms. By isolating these individuals, health authorities can monitor for signs of illness and mitigate the risk of transmission to others. This approach is crucial in controlling outbreaks and protecting public health.

Other choices, while related to various public health measures, do not accurately describe the practice of quarantine. Treating individuals with infectious diseases pertains to medical management rather than preventive separation. Restricting travel for health professionals relates to maintaining safe practices but does not define quarantine itself. Ensuring patients receive vaccinations is a key preventive strategy in public health but is distinctly different from the concept of isolating exposed individuals.