COVID-19 Research Paper Volume 13, Issue 18 pp 21855—21865
Centenarians exposed to the Spanish flu in their early life better survived to COVID-19
Figure 4. Probability of dying from 1991 until 2000 and from 2001 to 2010, calculated by year and month of births (STATBEL and data from Centre de Démographie, UCLouvain, Belgium).