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8/10/21 at 8:59am
Organization
The Sydney Morning Herald
Author
Liam Mannix
26 words
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The Delta variant is so contagious, the argument goes, that it pushes herd immunity out of reach.
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https://www.smh.com.au/national/is-the-herd-immunity-dream-dead-20210809-p58h50.html
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