evidence: That’s different from saying that masks don’t work for community spread or for an individual. And it’s also different, she said, from saying that mask mandates don’t work, since in trials mask-wearing is voluntary, rather than being required for everyone in the community. [...] But as we’ve explained before, this mechanistic evidence doesn’t necessarily mean that when public health officials recommend masks that this intervention will work to limit spread in the community. [...] Tufekci, Zeynep. "Here’s Why the Science Is Clear That Masks Work." New York Times. 10 Mar 2023.