germ theory

• 
• SOURCE: Washington Post
  5/2/2020
  

  The Discovery of Germs Changed American Life, Especially Parenting. Will COVID-19 do the Same?

  More than a hundred years ago, germ theory — the discovery that microorganisms such as bacteria and viruses caused disease — had a profound impact on almost every aspect of human behavior, just as the novel coronavirus could do after the current pandemic ends.

• 
• SOURCE: TIME
  4/14/2020
  

  How the ‘Father of Epidemiology’ Made the Connection Between Disease and Geography

  by Deirdre Mask

  “The poor were dying in disproportionate numbers not because they suffered from moral failings,” Steven Johnson writes. “They were dying because they were being poisoned.”