Spooky Skeletons: How skeletons led to a better understanding of the Spanish Flu – The Stute thestute.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from thestute.com Daily Mail and Mail on Sunday newspapers.
Bubonic plague, or the "Black Death" placed significantly selective pressure on humans, changing the frequency of certain immune-related genes and affecting our susceptibility to modern diseases.