Epidemic mitigation by statistical inference from contact tracing data

Article Multidisciplinary Sciences

Transmission heterogeneities, kinetics, and controllability of SARS-CoV-2

Kaiyuan Sun et al.

Summary: The study reveals significant transmission heterogeneity of SARS-CoV-2, with a small proportion of individuals contributing to most secondary infections. Transmission risk is positively correlated with exposure duration and social interactions, modulated by demographic and clinical factors. During lockdown, transmission risk increases within families but decreases with isolation and quarantine measures for all types of contacts.

SCIENCE (2021)

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Article Multidisciplinary Sciences

A population-based controlled experiment assessing the epidemiological impact of digital contact tracing

Pablo Rodriguez et al.

Summary: The study reported the results of a 4-week population-based controlled experiment assessing the epidemiological impact of the Spanish DCT app in COVID-19 containment. The experimental evidence showed the potential usefulness of this technology in a real population during an epidemic outbreak.

NATURE COMMUNICATIONS (2021)

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Article Infectious Diseases

To quarantine, or not to quarantine: A theoretical framework for disease control via contact tracing

Davin Lunz et al.

Summary: The study introduces a modeling framework that captures contact heterogeneity, enabling contact prioritization and finding the optimal strategy to balance disease prevention and minimizing quarantine burdens. It is globally applicable and directly adaptable to any digital tracing implementation.

EPIDEMICS (2021)

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Article Multidisciplinary Sciences

The epidemiological impact of the NHS COVID-19 app

Chris Wymant et al.

Summary: The digital contact tracing app used in England and Wales during the COVID-19 pandemic has been effective in reducing the number of cases. It notifies contacts of positive cases quickly, leading to a comparable secondary attack rate as manual tracing. The app has averted a significant number of cases and the uptake of the app has a direct impact on reducing the spread of the disease.

NATURE (2021)

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Article Public, Environmental & Occupational Health