Efforts to contain the spread of COVID-19 have been built around minimizing gatherings of people in public places. A new study from Temple University puts real-life data from the early months of the pandemic behind the wisdom of that strategy. The study also suggests a reason why, early in the outbreak, Americans in urban and rural environments may have had different perceptions of the threat that the virus presented.  In an article published in Preventing Chronic Disease, co-authors Abby Rudolph, an infectious disease and social epidemiologist in the College of Public Health,...