Why “Covid-Tracking Apps” will probably not work

I previously wrote about covid tracking apps and that what a “tracking app” is varies tremendously by country. Please read that first. There is another issue that crops up – and that’s the effect of conditional probability (or Bayes’ Theorem). I am still reviewing this to see if I did something wrong (I think I … Continue reading Why “Covid-Tracking Apps” will probably not work

Covid tracking apps summarized

When people mention “Covid tracking apps” it would be useful to first define what is meant by “Covid tracking app”. There are many approaches in use and many that are proposed. The various methods are remarkably different. When you hear that “Country X used a tracking app and they have fewer cases”, this does not … Continue reading Covid tracking apps summarized

App-based Covid tracking in Iceland does not work well

“The technology is more or less … I wouldn’t say useless,” says Gestur Pálmason, a detective inspector with the Icelandic Police Service who is overseeing contact tracing efforts. “But it’s the integration of the two that gives you results. I would say it [Rakning] has proven useful in a few cases, but it wasn’t a … Continue reading App-based Covid tracking in Iceland does not work well