the risk will be significantly higher because the combination of natural aging and prolongation of life will greatly increase the share of people over 65 years of age. The UN projects that share rising by about 70 percent by 2050, and in better-off countries one person in four will be older than that.[52] How will we cope in 2050 with a pandemic that might be more infectious than COVID-19, when in some countries a third of the population is in the most vulnerable category?

