Direct links to the underlying letter from epidemiologists and biologists — [HTML]: https://science.sciencemag.org/content/372/6543/694.1.full https://science.

Direct links to the underlying letter from epidemiologists and biologists — [HTML]: https://science.sciencemag.org/content/372/6543/694.1.full https://science.sciencemag.org/content/372/6543/694.1.full [PDF]: https://science.sciencemag.org/content/sci/372/6543/694.1.full.pdf https://science.sciencemag.org/content/sci/372/6543/694.1.fu...