The answer is: "social epidemiology" .
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" <u> Social epidemiology </u> i<span>s the study of the causes and distribution of health, disease, and impairment throughout a population."
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Measles is a viral infection that's serious for small children but is easily preventable by a vaccine. it is a respiratory problem. this infection came into the us when people travel internationally.
Answer:
varies based on the type used, but average is 10days.
Explanation: