Contact tracing indicators for COVID-19: Rapid scoping review and conceptual framework.
Florian VogtKarishma Krishna KurupPaul MusslemanCaroline HabrunMadeleine CroweAlexandra WoodwardGiovanna Jaramillo-GutierrezJohn KaldorSirenda VongVictor Del Rio VilasPublished in: PloS one (2022)
Almost all identified indicators were either process or output indicators focusing on case investigation, contact identification, case isolation or contact quarantine. We identified important gaps in input, outcome and impact indicators, which constrains evidence-based assessment of contact tracing systems. A universally agreed set of indicators is needed to allow for cross-system comparisons and to improve the performance of contact tracing systems.