Pandemic

By JustForHomework34
  • 5000 BCE

    Before 4000 BCE

    Nomadic tribes - no spread of germs beyond their community
  • Period: 5000 BCE to 4000 BCE

    Nomads

    Nomadic Tribes
  • 4000 BCE

    Agriculture- Settlements begin

    Settlements begin to arise alongside agriculture.
    Living closely and in mostly unsanitary conditions alongside animals, zoonotic diseases spread faster and easier
  • Period: 4000 BCE to

    Sedentary lifestyle

    Utilization of agriculture - Cities, towns, etc
  • 542 BCE

    Plague of Justinian - Byzantine empire

    During 541 and 542 BCE, in the byzantine empire, Yersinia Pestis, otherwise known as the bubonic plague, spread to humans through fleas that rats carried
    This killed 25-50 million people, which was around 1/4 of Earth's population at the time
  • 1347

    The Black Death - Sicily

    The Bubonic plague returned to the shores of Sicily. Venice banned sailors for entering the city for 40 days, this is the origin of quarantine. These efforts helped deter the plague slightly, but in the end it killed 100-200 million people across 2 years, 1/3rd of the Earth's population back then.
  • 1521

    Conquest of America - Smallpox/Viruela bioweapon

    As conquerors arrived to America, they carried their ilnesses with them, and the natives having no immunity to any of them, perished great losses of around 20 million people, aiding the conquerors in their efforts to colonize.

  • Spanish Flu pandemic

    Across 263 days, the Spanish flu infected around 500 million people, and killed 33 million of them
    By the end of 1920, it had killed about 50-100 million people, 4% of the global population.