History of pandemics

  • Plague of Justinian
    541

    Plague of Justinian

    *Struck the Byzantine Empire in the year 541 ad. The bacterium responsible has been identified as your Sania pestis, commonly known as bubonic plague a pathogen carried by rats and transferred to humans through fleas.
    * Left 25-50 million people dead
  • Black Death
    1347

    Black Death

    *Ships returned to the coasts of Sicily full of sailors affected by a mysterious disease that formed dark swellings or buboes and the armpits and groin.
    *Sailors were forbidden to enter their cities for 40 days in Italy (it was called Forty G or Denis which means 40 days and explains where we get the word quarantine in English)
    *Left about 200 million deaths in Eurasia
  • Measles, Chickenpox and Smallpox
    1520

    Measles, Chickenpox and Smallpox

    *These endemics would pave the way for Europeans to colonize the Americas, the Native Americans lacked any immunity to these foreign pathogens and once exposed
    *More than 20 million or 90% of the pre-Columbian population would be eliminated in the end it would not be steel or weapons that would conquer the new word, but infectious germs and flu viruses.
    *Millions of people were killed over several centuries
  • Spanish flu

    Spanish flu

    *It infected 500 million people worldwide.
    *It hit young adults the hardest half of those who died were between the ages of 20 and 40 and 99% were under 65.
    *In the late 1920s the Spanish flu claimed the lives of 50 to 100 million people.
  • Coronavirus

    Coronavirus

    *We must be prepared, we must not wait until the last second to act together, take care of our hygiene
    * Unlikely to approach the Spanish flu