APHG Unit 2: The Epidemiological Transition Model

How many stages are there in the epidemiological transition model?

4-5 Stages

What is the epidemiological transition model?

A model that shows the shifts in disease and healthcare in a society as it develops.

What are the traits of stage 1?

Pestilence and Famine

Why is pestilence and famine traits for stage 1?

high mortality rates, poor living conditions, and a lack of sanitation and healthcare infrastructure

What are the traits for stage 2?

receding pandemics

Why is receding pandemics traits for stage 2?

Antibiotics and vaccines are barely getting introduced

What are the traits for stage 3?

Degenerative diseases

What are degenerative diseases?

diseases people get as they age

Why are degenerative diseases a trait in stage 3?

The population is starting to age

What are some degenerative diseases that develop in stage 3?

-Parkinson’s

-Alzheimer’s

-Cancer

-Dementia

What are traits for stage 4?

Delayed degenerative diseases and lifestyle diseases

What are delayed degenerative diseases?

Diseases that develop as people age AND healthcare and preventative care is more advanced.

What are lifestyle diseases?

Lifestyle diseases develop through unhealthy things people do recreationally.

What are some lifestyle diseases present in stage 4?

-Alcoholism

-Drug Addictions

-Obesity

-Diabetes

What are traits for stage 5?

Infections and parasitic diseases re-emerge

Why are infections and parasitic diseases a trait in stage 5?

Evolution, antibiotic resistance, poverty, lack of access to medical care, globalization transmissions

What does the epidemiological transition model correspond with?

The demographic transition model