How effective are each of the COVID vaccines against the Delta variant?

How effective are each of the COVID vaccines against the Delta variant?

Forbes |
A full course of the Pfizer-BioNTech vaccine is 64% effective at preventing symptomatic Covid-19 [from the Delta variant], according to ...
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Open source science or intellectual property: Should we allow patenting of synbio organisms?

Slate |
[S]ynthetic biology...incorporates disparate disciplines like engineering, computer science, biotechnology, and molecular biology...[i]nstead of using engineering’s discrete modules of code, transistors, ...