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Epidemiology Modified Exam Questions And Improved Answers
Epidemiology Modified Exam Questions And Improved Answers 
 
Experimental - answersSubjects were children enrolled in a health maintenance organization. At 2 months, each child was randomly given one of two types of a new vaccine against rotavirus infection. Parents were called by a nurse two weeks later and asked whether the children had experienced any of a list of side-effects. 
 
Experimental - answersA study in which children are randomly assigned to receive either a newly formulated vaccin...