What special benefits should be given to the patients who have suffered due to negligence by the hospital staff for wrong drug administration and other reasons?

What measures should be adopted to reduce the overall drug error rate in the hospital? What special benefits should be given to the patients who have suffered due to negligence by the hospital staff for wrong drug administration and other reasons? In your opinion, should the hospital staff who were responsible for the dispensing errors be held personally liable for the errors? Why or why not?