Volume 25, Number 5—May 2019
Dispatch
Novel Method for Rapid Detection of Spatiotemporal HIV Clusters Potentially Warranting Intervention
Figure 1

Figure 1. Alert criteria used in method for identifying spatiotemporal clusters of HIV diagnoses. For each cluster, the total number of cases (X) in a specified geographic area during the most recent 12 months exceeds the baseline mean (μ) of the previous 3 12-month periods by >2 SD (σ) and >2 diagnoses.