Fig. 2From: Rapidly measuring spatial accessibility of COVID-19 healthcare resources: a case study of Illinois, USADatasets of hospitals, population, COVID-19 cases in Chicago, Illinois: a spatial distributions of ICU beds and population at risk, and b spatial distributions of ventilators and confirmed COVID-19 cases. To avoid the edge effects, we included hospitals located within 15 miles from the Chicago boundary. 15 miles are considered based on estimated average travel time of about 30 min [24]Back to article page