I would guess we have to think about a world in which we need to do contract tracing while people start to travel. So you can’t just check your national database - You need some way to check others.
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The Apple/Google contact tracing system uses a global standard identifier, but siloed national databases. So, if French person a sits next to German person b and b then tests positive, b’s phone will tell the German database by A’s phone will only check the French database.
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But the Apple/Google system relies on every phone periodically downloading a list of every exposed beacon. is it practical to do that globally? how many beacons is that?
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This winter I get on the Eurostar to Paris, and I have lunch sitting next to a Spaniard and a German. We’re all using Apple’s tracking system, and we all go home,and one of us discovers they were infected. What ‘National health provider’ app is going to tell all of us that?
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Maybe even though I’m British and have the British app, I should also install the French app and when I get a positive test I should tell both of those. but the French app is in French and it’s not in the UK App Store, and the French app can’t validate my UK test.
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Occam’s Razor says you have to connect all of the national tracking databases together so that my phone downloads all global infected beacons (how big a file is that?!), or at least for the countries that I’ve been in - EXCEPT it’s not supposed to be collecting location at all.
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Except that France is not adopting the Apple Google system.
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Well... in France before trying to go high tech analyst and adopt maker or game changer just they fix the mask problemes ans shut their mouth africans are doing better the last a well known professor is ignored and he has at least a protocol so dont bother with france
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won t happen since France banned Apple and Google solution :)
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'international distancing'
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Good point. Global contact tracing seems like a pipe dream. Guess international travel will involve testing and temperature checks going forward similar to what Emirates is doing.
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