Wired: “…More than half the old folks in the United States have been vaccinated against Covid-19—65 percent of people 75 years of age or older. That’s great news. It also means that more and more people are trying to figure out what happens next. Earlier this week, news leaked that the Centers for Disease Control and Prevention were going to release long-awaited guidelines for how vaccinated people might behave safely in the interregnum before the New Normal when all of the everybody are vaccinated—call where we live now the New Weirdness, maybe? But then those guidelines got delayed again, and every American is back to figuring it out for themselves. And their parents…Differential vaccination gives that attack surface a whole new terrain. Vaccinated people live in the hills and the rest of us still live in the flats. So I asked a handful of people who study viruses and sick people what they’d say to my mom—partially so I’d have something smart to say to her, but also to try to understand not just the problem but how to think about it, the specific shape of that risk terrain and blurriness of its edges. The science isn’t settled. The risks aren’t well-understood. So the parameters for decisionmaking here are tolerance for risk and uncertainty, of which there is still quite a lot of both…”