View any newspaper or social media and you will see graphs of COVID-19 infection and death rates for multiple countries. Journalists and politicians spend many hours comparing these rates across countries. They should stop, as comparisons have little value. Michael Baum, a well-known cancer surgeon, explains why this is like comparing apples, pears and rhubarb.

Source: https://bit.ly/2RJh4vY

Photo by Krishnam Moosaddee on Unsplash