The 'epidemiological transition' model describes shifts in disease patterns as societies develop. According to Omran's original theory, the final stage characterized by delayed degenerative diseases and increased life expectancy is called the:

• A Age of pestilence and famine
• B Age of receding pandemics
• C Age of degenerative and man-made diseases
• D Age of delayed degenerative diseases ✓

Explanation

Omran described five stages. The final stage is the 'age of delayed degenerative diseases' where cardiovascular diseases and cancers persist but are postponed to older ages due to medical advances. The 'age of degenerative and man-made diseases' is the preceding fourth stage where life expectancy is already high but delayed mortality has not yet occurred.

Reference: Park's Textbook of Preventive and Social Medicine, 26th ed.

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