Although news of a second highly effective vaccine offers great promise, Massachusetts is currently averaging more than 2,000 new coronavirus cases a day, and public health experts are sounding the alarm about the surge of cases the state might experience this winter. A new study from a consortium of universities measures the ways in which Massachusetts residents have let down their guard in terms of practicing social distancing over time. To discuss, Jim Braude was joined by David Lazer, a Northeastern University professor and researcher with the group that produced the study, The COVID-19 Consortium for Understanding the Public’s Policy Preferences Across States; and Dr. Katherine Gergen Barnett, vice chair of primary care innovation and transformation and program director of the department of family medicine at Boston Medical Center.