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A comment on Covid vaccine: First ‘milestone’ vaccine offers 90% protection. Parent comment

Re:Covid vaccine: First ‘milestone’ vaccine offers 90% prote... by JSavageOne on Monday November 09, 2020 @04:49PM (#25040375)
> Contract tracing hasn't worked at scale anywhere.

It's worked in South Korea

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Re:Covid vaccine: First ‘milestone’ vaccine offers 90% prote... by hndamien on Monday November 09, 2020 @06:06PM (#25041067)
It's worked in Australia.
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