| Haber: |
The Delta variant is a ‘serious threat’ as contagious as chickenpox, the C.D.C. finds.
An internal agency document paints a grim picture of the fast-spreading coronavirus variant, saying it appears to cause serious illness and health officials must “acknowledge the war has changed.”
https://www.nytimes.com/2021/07/30/world/the-delta-variant-is-a-serious-threat-as-contagious-as-chickenpox-the-cdc-finds.html
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