 investigations involving infection control errors hai clusters or outbreaks often require communication to at risk individuals or groups corhas framework for healthcare associated infection outbreak notification provides guidance for notification in the context of a suspected healthcare associated infection hai outbreak it is based on public health best practices and grounded in bioethical principles of autonomy and beneficence additional resources corhas notification framework one pager condensed version of the corha notification framework cdcs patient notification toolkit resources and advice for health departments healthcare facilities when conducting a large scale patient notification chapter 8 notification communication of corhas principles practices describes the rationale and who what how when for notification of patients and other stakeholders along with information on risk communication principles and strategies 