The Black Death Shaped the Evolution of the Human Immune System
Infectious disease has shaped human evolution for millennia. During epidemics/pandemics, susceptible individuals with unfavorable genetics succumb to disease prior to reproducing while individuals with genetics that favor survival pass on their genes to subsequent generations. The current Covid-19 pandemic is the most recent of these events. Pre-vaccine, Covid-19 had a death rate of 1-2% for [...]