Diseases and The Columbian Exchange

  • Jan 1, 1492

    Columbian Exchange Began

  • Jun 1, 1492

    Measles

    This disease traveled from the old world to the new world. Many native americans became affected because their immune system was low
  • Jan 1, 1493

    Malaria

    Malaria is a disease that spread from the new world to the old world, this is spread through blood, but most commonly through mosquito bites. This disease knocked out many native americans.
  • Jan 1, 1493

    Yellow Fever

    Yellow Fever was first transmitted to the New World from the Old World by the slave trade and killed many people because it was a new disease that they had never been introduced to before. This is usually transmitted through mosquito bites.
  • Apr 7, 1493

    Polio

    This was transmitted from the New World to the Old World. It was transmitted from the Native Americans to Europeans
  • Jan 1, 1495

    Syphillis

    New World to Old World, which was spread through sexual contact. This is thought to be because of Africans and slavery. This causes burns, sores, body rashes etc.
  • Jan 1, 1516

    Typhus

    Old World to the New World which is caused by unsanitary conditions and is spread by insects.
  • Jan 7, 1517

    Influenza

    New World from the Old World, the flu is a disease that is fatal. It was mostly transmitted through direct contact from explorers and colonists.
  • Jan 1, 1518

    Smallpox

    Smallpox is a very dangerous disease that originated in the Old World and was transmitted to the New World. Direct contact with those who have the disease and their bodily fluids can pass it on.