COVID-19 Case Investigation and Contact Tracing in the US, 2020.

ABSTRACT:

Importance

Contact tracing is a multistep process to limit SARS-CoV-2 transmission. Gaps in the process result in missed opportunities to prevent COVID-19.

Objective

To quantify proportions of cases and their contacts reached by public health authorities and the amount of time needed to reach them and to compare the risk of a positive COVID-19 test result between contacts and the general public during 4-week assessment periods.

Design, setting, and participants

This cross-sectional study took place at 13 health departments and 1 Indian Health Service Unit in 11 states and 1 tribal nation. Participants included all individuals with laboratory-confirmed COVID-19 and their named contacts. Local COVID-19 surveillance data were used to determine the numbers of persons repo

SUBMITTER: Lash RR 

PROVIDER: S-EPMC8176334 | biostudies-literature | 2021 Jun

REPOSITORIES: biostudies-literature