Risk Perception And Risk Communication In Public Health Events

The outbreak of COVID-19 at the end of 2019 has become a global public health event.In COVID-19 epidemic health risk events,risk factors,risk perception and communication behaviors are defined and operationalized based on previous academic achievements.From the perspective of public,we construct a framework for risk perception,risk information and communication behavior to study the different epidemic severity and the media choice in the outbreak of COVID-19,the relationship and law between the choice of media content and the change of communication behavior.Through questionnaire survey,data statistical analysis and model test,we found the following conclusions::(1)It is affirmed partly that epidemic severity has a moderation effects between the risk perception and communication behaviors.There are significant differences found among different regions.People perceive greater risk in the fairy severe region than people in the most severe area,and also their communication behaviors are different,with the former more active than the later.(2)Risk information and the epidemic severity are playing major roles in risk communication behaviors of the public by risk perception.And risk perception is the center of the entire model.