The Use of Contact Tracing to Fight COVID-19

Eight studies that address the use of contact tracing to fight COVID-19 include a large study in India, which discovered that most infected individuals do not infect their contacts, a study in Switzerland measuring the effectiveness of voluntary digital contact tracing, and studies that show the evolution of contact tracing in South Korea, Singapore, and Taiwan. Click through this research which outlines some flu/COVID testing products. Also, check out our research reports on COVID-19 Vaccine for African Americans and information on COVID-19 vaccination plans for all states.

Also, check out our research on;

1. “COVID-19 testing and infection surveillance: Is a combined digital contact-tracing and mass-testing solution feasible in the United States?”

  • Date of publication: October 02, 2020
  • Findings: This study analyzed tracing strategies being employed in multiple countries and concluded that a “digitally enabled testing and contact-tracing system combined with mask wearing, proper sanitation, and social distancing can be utilized successfully to help control COVID-19 transmission.”

2. “Epidemiology and transmission dynamics of COVID-19 in two Indian states”

  • Date of publication: September 30, 2020
  • Findings: This study utilized contact tracing data and discovered that children are more likely to spread the virus. Data showed that younger people were more at-risk of contracting and spreading the virus than older individuals in India, and that “71% of infected individuals did not infect any of their contacts, while a mere 8% of infected individuals accounted for 60% of new infections.” Additionally, researchers concluded that tracing systems need better data to be truly effective but “Surveillance and contact tracing are critical components of an effective public health response to COVID-19.”

3. “Early Evidence of Effectiveness of Digital Contact Tracing for SARS-CoV-2 in Switzerland”

  • Date of publication: October 04, 2020
  • Findings: Based on the data collected “during the initial deployment of the SwissCovid app, we argue that voluntary digital contact tracing can show similar effectiveness at identifying infected partners of index cases as classic contact tracing, provided that both the index case and the exposed contacts use the app. As the effectiveness of digital contact tracing crucially depends on a strong embedding into an efficient testing and contact tracing infrastructure on the ground, apps like SwissCovid represent a helpful complementary tool for controlling the spread of SARS-CoV-2.”

4. “Quarantine and testing strategies in contact tracing for SARS-CoV-2: a modelling study”

  • Date of publication: October 23, 2020
  • Findings: This UK study discovered that the “ability to test timely and at scale could shorten current delays in contact tracing and thereby reduce the risk for secondary transmission. Similarly, such testing capacity would allow to substantially shorten necessary quarantine periods and dampen the economic and social impact while potentially increasing compliance.”

5. “Pandemic in a smart city: Singapore’s COVID-19 management through technology & society”

  • Date of publication: June 10, 2020
  • Findings: The study describes how Singapore moved from physical contact tracing to smart app-based contact tracing. Researchers concluded that “while state-led technologies such as TraceTogether and Safe Entry helped in the techno-governance of bodies on the move, bottom-up digital solutions, and innovative engagement of individuals are equally crucial in building a smart and resilient Singapore.”

6. “Contact Tracing during Coronavirus Disease Outbreak, South Korea, 2020″

  • Date of publication: October 2020
  • Findings: The study describes the evolution of contact tracing in South Korea and its importance to contain a second wave. Researchers concluded that “Effective contact tracing is critical to controlling the spread of coronavirus disease (COVID-19) (1). South Korea adopted a rigorous contact-tracing program comprising traditional shoe-leather epidemiology and new methods to track contacts by linking large databases (global positioning system, credit card transactions, and closed-circuit television).”

7. “Contact tracing with digital assistance in Taiwan’s COVID-19 outbreak response”

  • Date of publication: October 6, 2020
  • Findings: Researchers examined how Taiwan implemented contact tracing during the initial outbreak and concluded that “Comprehensive contact tracing and management with complementary technology would still be a pillar of strategies for containing outbreaks during de-escalation or early in the next wave of COVID-19 pandemic.”

8. “State-level needs for social distancing and contact tracing to contain COVID-19 in the United States”

  • Date of publication: October 06, 2020
  • Findings: This study examines the impact of contact tracing and testing on easing of social distance and discovered that in most states, “reopening has proceeded too rapidly and/or without adequate testing and contact tracing to prevent a resurgence of the epidemic.”

9. “Contact-tracing apps and alienation in the age of COVID-19″

  • Date of publication: September 23, 2020
  • This study analyzes the “failure in the design and adoption of a Stop-COVID app in France.” Researchers found that the French government’s actions and lack of transparency resulted in “alienation and lack of interdisciplinary cooperation.”
Glenn is the Lead Operations Research Analyst at The Digital Momentum with experience in research, statistical data analysis and interview techniques. A holder of degree in Economics. A true specialist in quantitative and qualitative research.

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