SURVEY QUESTIONS 



Why do people have a longer expectancy of life today than 30 years ago ? 

 Why do some people take a catching disease and others who are exposed 

 do not? Why are people vaccinated against smallpox? How are children 

 made immune against diphtheria ? What are the purposes of a Medical 

 Center, as the Cornell Medical Center, New York, shown here ? 



Eiving Galloway 



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