But critics say the study oversimplified answers to one of COVID-19’s most vexing questions Months into the new coronavirus pandemic, researchers are grappling with an urgent question: How much risk do we have of catching COVID-19 — or dying from it — from our chance encounters? The debate has flared as authorities find themselves alternately accused of moving too fast or not fast enough in easing restrictions so more business and activity can resume. Overall, it’s probably less now than many likely believe, given the daily drumbeat of new cases, hospitalizations and deaths, according to new research this month by...