European arrival on Aboriginal People + Outbreaks

What happened to aboriginal Health Status after European arrival?

the introduction of highly contagious pathogens caused immediate and devastating epidemics

List the key diseases introduced and how they are transmitted

smallpox, influenza, measles and tuberculosis are all caused by airborne droplets

Why did european pathogens affect immun systems of indigenous so much?

indigenous populations had been geographically isolates from europe and asia so the pathogens were entirely new. this meant their adaptvie immune systems contained no memory B or memory T cells for hese antigens

Define Outbreak

a sudden increase in cases of a disease based on normal baseline levels

Define Endemic

a disease that is permanently present and constantly maintained at a baseline, predicable level within a specific geographic

Define Epidemic

a massive widespreas outbreak

Define Pandemic

an epidemic that has spread globally, crossing international borders

What is the difference between emerging and re-emerging pahogens?

emerging pathogens are completely new to the human population and re-emerging pathogens were once controlled but are now spiking again in case numbers or spreading to new locations