Designing Efficient Contact Tracing Through Risk-Based Quarantining
Contact tracing for COVID-19 is especially challenging because transmission often occurs in the absence of symptoms and because a purported 20% of cases cause 80% of infections, resulting in a small risk of infection for some contacts and a high risk for others. Here, we introduce risk-based quarantine, a system for contact tracing where each cluster (a group of individuals with a common source of exposure) is observed for symptoms when tracing begins, and clusters that do not display them are released from quarantine. We show that, under our assumptions, risk-based quarantine reduces the amount of quarantine time served by more than 30%, while achieving a reduction in transmission similar to standard contact tracing policies where all contacts are quarantined for two weeks. We compare our proposed risk-based quarantine approach against test-driven release policies, which fail to achieve a comparable level of transmission reduction due to the inability of tests to detect exposed people who are not yet infectious but will eventually become so. Additionally, test-based release policies are expensive, limiting their effectiveness in low-resource environments, whereas the costs imposed by risk-based quarantine are primarily in terms of labor and organization
Year of publication: |
[2021]
|
---|---|
Authors: | Perrault, Andrew ; Charpignon, Marie ; Gruber, Jonathan ; Tambe, Milind ; Majumder, Maimuna S. |
Publisher: |
[S.l.] : SSRN |
Saved in:
freely available
Extent: | 1 Online-Ressource (25 p) |
---|---|
Series: | NBER Working Paper ; No. w28135 |
Type of publication: | Book / Working Paper |
Language: | English |
Notes: | Nach Informationen von SSRN wurde die ursprüngliche Fassung des Dokuments November 2020 erstellt |
Source: | ECONIS - Online Catalogue of the ZBW |
Persistent link: https://www.econbiz.de/10013227762
Saved in favorites
Similar items by person
-
Designing Efficient Contact Tracing Through Risk-Based Quarantining
Perrault, Andrew, (2020)
-
Designing efficient contact tracing through risk-based quarantining
Perrault, Andrew, (2020)
-
Chandra, Jay, (2021)
- More ...