
Except for COVID-19, all global pandemics in the last century were caused by influenza viruses. Picture by Shutterstock
As part of my work for NYU’s School of Global Public Health, I have been compiling and comparing key metrics for the most severe global pandemics that occurred in the past 100 years.
I am comparing COVID-19 metrics to seasonal influenza, 1918 Spanish flu, 1957 Asian flu, 1968 Hong Kong flu, and 2009-10 H1N1. There are many similarities and differences that can be observed. Aside from the astonishing speed of vaccine development to combat COVID-19, there are three interesting findings.