Work injury addendum refers to the original scope of work injury determination outside the scope of the new increase in the determination of work injuries, the original only recognized work accidents, now added occupational disease determination, this is the work injury addendum.
Work injury change refers to the recognized work accident or occupational disease re-identification, in order to determine whether the need to adjust the level of injury or the need to be re-identified as a work injury, for example, the original determination of minor injuries, and later aggravation, the need to re-identify as a serious injury, which is the change of work injury.