Glossary

Learn more about the terminology used in the Ending the HIV Epidemic in the U.S. (EHE) initiative.

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Click on a term to view its definition.

Baseline Data

Baseline data are the initial data collected prior to the start of an intervention. These data serve as a point of reference as subsequent data are collected and compared against the baseline data to measure progress towards intervention goals. AHEAD uses data from 2017 as the baseline.