A lot of people are asking how "backward tracing" is any different to standard contact tracing.
— John Burn-Murdoch (@jburnmurdoch) July 6, 2020
It’s not obvious, but there are major differences, and it’s one of the factors cited as being key to Japan’s success at keeping the virus under control.
Here comes a quick thread: https://t.co/Qm1jj6FvWf
via Twitter https://twitter.com/jburnmurdoch
July 06, 2020 at 08:30PM
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