On the chart? Those are each of the models that are reflected in the lines. If you click on the chart, you can get the underlying details from the CDC website directly. CU is a model from Columbia University. IHME is from the Univ. of Washington. JHU is Johns Hopkins. ERDC is a unit of the U.S. Army Corps of Engineers.
I don't know what these abbreviations are.
On the chart? Those are each of the models that are reflected in the lines. If you click on the chart, you can get the underlying details from the CDC website directly. CU is a model from Columbia University. IHME is from the Univ. of Washington. JHU is Johns Hopkins. ERDC is a unit of the U.S. Army Corps of Engineers.