Specifically, when risk communication are dealing with issues related to health risk information and

Specifically, when risk communication are dealing with issues related to health risk information and preparation strategies, it will always concern about the following topics: 1）Agriculture　Food; 2）Lack of Water　Pollution; 3）（）; 4）Mental health and general Public Health; 5）Chemical, biological, radio-logical　nuclear threats.

A.Safety and Happiness

B.Environmental and Air

C.Occupation and Nutritional

D.Disease and Vaccines

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