The New York Times [read free h/t Pete Weiss]: “While Covid has become a regular part of respiratory virus season, community testing centers and drive-through sites where you could determine whether it’s the source of your sniffles have all but vanished. At-home tests are still a valuable tool to protect yourself and others from the virus, though, and they remain widely available in pharmacies and grocery stores. Here’s what to know about how these tests work, how to get them and when to take one.”