Figure 8 ( revised 18 Feb .) Estimated scaled measures of transmissibility and clinical severity for 2019-nCoV relative to various years of pandemic and seasonal influenza. Image adapted from Reed et al 2013.
Notice that Spanish Flu was H1N1, and most of us should remember the H1N1 from 2009. Notice that COVID is much more transmissible and much more severe than all other flu, except Spanish Flu in 1918.
. Meant 1918.