Public Health Occupations in KSA

How have public health occupations in Saudi Arabia changed over the last 50 years? How will public health occupations look in the next 20 years in Saudi Arabia? What do you think will drive the changes and why?
Please address the topic below:

* Background facts and important milestones that mark the evolution of public health occupations in the Kingdom 
* Types of occupations that play a critical role in public health (at least 2) 
* The future public health needs (10-20 years from now) of Saudi Arabia and what public health occupations will be in demand
* Your recommendations to ensure that the Kingdoms health force is equipped to meet these demands
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Your paper should meet the following structural requirements:
* Four-to-five pages in length, not including the cover sheet and reference page. 
* Formatted according to APA 7th edition writing standards
* Provide support for your statements with in-text citations from a minimum of four scholarly articles.