There’s a growing public health argument about how people should calculate risk when it comes to social distancing. Many states are now lifting stay-at-home restrictions, summer is around the corner, and people in the third month of what many hoped would be a weeks-long disruption are desperate to visit friends and get outside. That means we will be socializing a lot more--in many cases, without clear guidelines as to what’s really risky. Kristen V. Brown reports that as we learn more about how the virus spreads, and what constitutes risky behavior, messaging from experts will have to become a little more nuanced than just “stay home, stay safe.”