How Apple and Google let your phone warn you if you've been exposed to the coronavirus while protecting your privacy

Bluetooth wireless communication makes it possible to track when people have been exposed to people infected with the coronavirus. The right cryptography scheme keeps alerts about exposures private.

David Starobinski, Professor of Electrical and Computer Engineering, Boston University • conversation
Feb. 12, 2021 ~11 min

This DIY contact tracing app helps people exposed to COVID-19 remember who they met

With new US COVID-19 cases topping 200,000 a day, contact tracers are overwhelmed. Here's how infected people can start tracing and notifying contacts themselves.

Ian Jason Lee, Doctoral Student, Florida International University • conversation
Dec. 4, 2020 ~7 min

New DIY contact tracing app expands the fight against COVID-19, using the science of memory

With new US COVID-19 cases topping 200,000 a day, contact tracers are overwhelmed. Here's how infected people can start tracing and notifying contacts themselves.

Ian Jason Lee, Doctoral Student, Florida International University • conversation
Dec. 4, 2020 ~7 min

Contact-tracing apps: there's no evidence they're helping stop COVID-19

Download rates have been disappointing and people aren't following self-isolation warnings.

Allison Gardner, Lecturer in Computer Science/Co-founder Women Leading in AI, Keele University • conversation
Oct. 21, 2020 ~7 min

As COVID-19 cases rise again, how will the US respond? Here's what states have learned so far

States have been experimenting with more targeted approaches to slow the coronavirus's spread. Two strategies stand out.

Murray J. Côté, Associate Professor of Health Policy and Management, Texas A&M University • conversation
Oct. 12, 2020 ~8 min

Harvard rolls out contact tracing effort

A look at COVID-19 contact tracing efforts at Harvard.

Juan Siliezar • harvard
Sept. 10, 2020 ~6 min

England's new contact tracing app fixes privacy problems – whether it will work is another matter

Countries around the world have struggled to get people to download and use contact tracing apps.

Max Eiza, Lecturer in Networking & Cybersecurity, University of Central Lancashire • conversation
Aug. 18, 2020 ~6 min

Contact tracing's long, turbulent history holds lessons for COVID-19

Trust in the confidentiality of contact tracing broke down during the AIDS epidemic. Today, it's faltering again.

Ronald Bayer, Professor Sociomedical Sciences, Columbia University • conversation
July 16, 2020 ~10 min

Digital contact tracing's mixed record abroad spells trouble for US efforts to rein in COVID-19

Effective national leadership and trust in government appear to be prerequisites for countries to achieve widespread digital contact tracing.

Bhaskar Chakravorti, Dean of Global Business, The Fletcher School, Tufts University • conversation
July 6, 2020 ~11 min

Workplaces are turning to devices to monitor social distancing, but does the tech respect privacy?

Smartphone apps and wearable devices can tell when workers have been within six feet of each other, promising to help curb the coronavirus. But they're not all the same when it comes to privacy.

Ari Trachtenberg, Professor of Electrical and Computer Engineering, Systems Engineering, and Computer Science, Boston University • conversation
June 9, 2020 ~9 min

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