What is the two-word term for tracking a disease by gathering data on the movements and interactions of someone infected?

Surveillance Data

Explanation:

Surveillance Data is a term in Public Health, that describes the ongoing, tracking and systematic collection, analysis, and interpretation of health-related data on the movement and interactions of population infected, which is essential to planning, implementation, and evaluation of public health practice.

Surveillance data are really essential to determine policy changes, direct new program interventions, enhance public communications, and provide assistance to agencies, to examine research investments.

Hence, the two word term is Surveillance Data.

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explanation:

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