SARS-CoV-2 Catalonia contact tracing program: evaluation of key performance indicators.

Background: Guidance on SARS-CoV-2 contact tracing indicators have been recently revised by international public health agencies. The aim of the study is to describe and analyse contact tracing indicators based on Catalonia's (Spain) real data and proposing to update them according to recommendations.

Methods: Retrospective cohort analysis including Catalonia's contact tracing dataset from 20 May until 31 December 2020.