A county-by-county analysis of the United States by Princeton University researchers suggests that rural counties with high populations of people over 60 and limited access to health care facilities could eventually be among the hardest hit by the coronavirus pandemic (COVID-19) that has so far killed more than 100,000 people worldwide.https://www.princeton.edu/news/2020/04/16/princeton-researchers-map-rural-us-counties-most-vulnerable-covid-19