DNA from ancient skeletons reveals cause of London's Great Plague

Hey guys. I came across this article that talks about the discovery of the DNA found in ancient skeletons which is responsible for the Great Plague of London. I think that it relates to our class discussions because it mentions events of the past that has affected the way things have developed and that could be used for research to change the future.

Here is the source: http://www.cnn.com/2016/09/09/health/great-plague-of-london-dna-skeletons/index.html