Estimated COVID-19 Cases and Hospitalizations Averted by Case Investigation and Contact Tracing in the US.

ABSTRACT:

Importance

Evidence of the impact of COVID-19 case investigation and contact tracing (CICT) programs is lacking, but policy makers need this evidence to assess the value of such programs.

Objective

To estimate COVID-19 cases and hospitalizations averted nationwide by US states' CICT programs.

Design, setting, and participants

This decision analytical model study used combined data from US CICT programs (eg, proportion of cases interviewed, contacts notified or monitored, and days to case and contact notification) with incidence data to model outcomes of CICT over a 60-day period (November 25, 2020, to January 23, 2021). The study estimated a range of outcomes by varying assumed compliance with isolation and quarantine recommendations. Fifty-nine state and territorial

SUBMITTER: Rainisch G 

PROVIDER: S-EPMC8956978 | biostudies-literature | 2022 Mar

REPOSITORIES: biostudies-literature