GIS for COVID Hotspots in India (IMAGE) Society for Risk Analysis Caption The researchers established five levels of "risk" zones: red, orange, blue, green, and pink (from highest to lowest risk). The level of risk was determined by multiplying hazard by vulnerability. Credit Study authors Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.