Effectiveness of contact tracing to reduce fatality from COVID-19: preliminary evidence from Colombia.

ABSTRACT:

Objectives

Conducting contact tracing (CT) programs in low- and middle-income countries is challenging, and there is no evidence of their effectiveness in Latin America. We evaluated the effectiveness of CT on reducing fatality from COVID-19 in Colombia.

Study design

The study design is a retrospective cohort study with nation-wide data of suspected and confirmed cases of severe acute respiratory syndrome (SARS-CoV-2) infection and their registered contacts.

Methods

We analyzed confirmed and suspected COVID-19 cases and their chains of contact using a nation-wide registry from March 28, 2020 to January 13, 2021. To estimate the effect of CT on fatality, we adjusted a multilevel negative binomial model using the number of deaths and the number of people within a chain

SUBMITTER: Fernandez-Nino JA 

PROVIDER: S-EPMC8289626 | biostudies-literature | 2021 Sep

REPOSITORIES: biostudies-literature