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Article
Infectious Diseases
Yura K. Ko et al.
Summary: This study aimed to elucidate the frequency and patterns of secondary transmission of SARS-CoV-2 in Japan. The results showed that 76.7% of the primary cases did not generate secondary cases, and there were higher proportions of secondary transmissions among older individuals, symptomatic patients, and patients with a longer interval between onset and confirmation.
INTERNATIONAL JOURNAL OF INFECTIOUS DISEASES
(2022)
Article
Multidisciplinary Sciences
Joren Raymenants et al.
Summary: This study presents empirical data on the effectiveness of backward contact tracing for COVID-19 among university students in Belgium. The results show that implementing backward contact tracing can identify more direct contacts of index cases and require fewer tests and shorter quarantine.
NATURE COMMUNICATIONS
(2022)
Review
Ethics
Saleh Afroogh et al.
Summary: This paper conducted a systematic literature review on the ethical considerations of using contact tracing app technology during the COVID-19 pandemic. The findings suggest that privacy, security, acceptability, government surveillance, transparency, justice, and voluntariness are essential ethical considerations in the usage of this technology.
ETHICS AND INFORMATION TECHNOLOGY
(2022)
Article
Multidisciplinary Sciences
William J. Bradshaw et al.
Summary: Bidirectional tracing is more effective in improving outbreak control and reducing effective reproduction number, compared to forward-tracing alone. Expanding the manual tracing window or implementing smartphone-based exposure notification can significantly increase the benefits of bidirectional tracing.
NATURE COMMUNICATIONS
(2021)
Article
Multidisciplinary Sciences
Damon J. A. Toth et al.
Summary: The study estimated the probability of individuals in Utah households acquiring SARS-CoV-2 infection outside their homes and found a higher household secondary attack rate than previously estimated, with significant variability in individual transmissibility. The results suggest that controlling non-household transmission is crucial to prevent continued spread of the pandemic.
Article
Physics, Multidisciplinary
Sadamori Kojaku et al.
Summary: Contact tracing is crucial for epidemic control, with backward tracing being more effective than forward tracing due to biases from contact heterogeneity. By strategically executed contact tracing, a substantial fraction of transmissions can be prevented with higher efficiency compared to case isolation alone, calling for a revision of current contact-tracing strategies to leverage all forms of bias. Incorporating backward and deep tracing in a digital context while maintaining privacy-preserving requirements is particularly crucial.
Article
Biology
Martyn Fyles et al.
Summary: The study explored strategies of contact tracing, case isolation, and quarantine of exposed contacts to control the SARS-CoV-2 epidemic using a branching process model with household structure. Results indicate that a contact tracing strategy designed to take advantage of household structure allows for some relaxation of physical distancing measures but cannot completely control the epidemic.
PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES
(2021)
Review
Biochemistry & Molecular Biology
Jingxuan Wang et al.
Summary: This study summarized the superspreading features of SARS, MERS, and COVID-19, finding a substantial over-dispersed transmission pattern in all three coronaviruses while the estimates of k varied by study design and region. Among the individual-level transmission heterogeneity for COVID-19, 90% of estimates were derived from Asian regions.
COMPUTATIONAL AND STRUCTURAL BIOTECHNOLOGY JOURNAL
(2021)
Letter
Medicine, General & Internal
Yang Liu et al.
Article
Infectious Diseases
Adam J. Kucharski et al.
LANCET INFECTIOUS DISEASES
(2020)
Article
Biochemistry & Molecular Biology
Dillon C. Adam et al.
Article
Mathematics, Applied
M Small et al.
PHYSICA D-NONLINEAR PHENOMENA
(2006)
