What is epidemiology? More chapters in Epidemiology for the uninitiated Epidemiology is the study of how often diseases occur in different groups of people and why.
354 WIS International Employee Salaries. Browse WIS International Salaries by Job Title â. WIS International employees earn $24,000 annually on average, or $12 per hour, which is 87% lower than the national salary average of $61,000 per year.
Browse Wyndham Worldwide Salaries by Job Title â. Wyndham Worldwide Guest Service Agents earn $23,000 annually, or $11 per hour, which is 4% lower than the national average for all Guest Service Agents at $24,000 annually and 90% lower than the national salary average for âall working Americans.