Epidemiological Transition Omran - 1982
“Shifts in health and disease patterns”
“Social economic and medical developments”
Three Stages: 1- “The age of pestilence and famine” 2- “The age of receding pandemics” 3- “The age of degenerative and man-made diseases”
“Fertility decline is expected to follow these gains against mortality but with varying speed and varying reasons”