• Art Jahnke

    Senior Contributing Editor

    Art Janke

    Art Jahnke began his career at the Real Paper, a Boston area alternative weekly. He has worked as a writer and editor at Boston Magazine, web editorial director at CXO Media, and executive editor in Marketing & Communications at Boston University, where his work was honored with many awards. Profile

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There is 1 comment on Contact Tracing App Warns of COVID-19 Exposure while Protecting Privacy

  1. This works in ‘confined’ countries like China S Korea Singapore New Zealand?
    In ‘exponentially’ growing countries you can actually estimate number of infected cases from known mortality (typically about 1.4%) and few days ago US confirmed percentage was 6 % while confined countries are around 99.9%
    WHO China report 28 February estimated that to confine the about 13’000 cases outside Hubei about 1 million tests were done, so 99% negatives for 1% positives
    Clearly confinement game over since long time in exponentially growing countries
    About 80% of infections are mild, so stay at home and no testing is much more common than positive test in exponential class countries.
    Suggest using self reporting in APP, like probably Covid-19 infected with date and use that reporting for a predetermined infectious time period.

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