Detect, Investigate, & Control Healthcare Outbreaks

The Council for Outbreak Response: Healthcare-Associated Infections (HAIs) and Antimicrobial-Resistant (AR) pathogens offers a curated collection of resources to help improve your outbreak response activities, wherever healthcare is delivered.

Training Course

Healthcare Outbreak Response Training

Introduces public health professionals to key concepts needed to investigate a healthcare outbreak

New Resource

Principles & Practices Chapters

Comprehensive reference with information on HAI/AR outbreak response topics

New Spotlight Article

Importance of Data Sharing and Reporting

A Conversation with CORHA’s Policy Workgroup Co-Chairs on the importance and challenges

receive updates from corha

Training Course

Healthcare Outbreak Response Training

Introduces public health professionals to key concepts needed to investigate a healthcare outbreak

New Resource

Principles & Practices Chapters

Comprehensive reference with information on HAI/AR outbreak response topics

New Spotlight Article

Importance of Data Sharing and Reporting

A Conversation with CORHA’s Policy Workgroup Co-Chairs on the importance and challenges

receive updates from corha

Meet CORHA

The Council for Outbreak Response: Healthcare-Associated Infections (HAIs) and Antimicrobial-Resistant (AR) pathogens, CORHA is a multidisciplinary collaboration of national associations and federal agencies working together since 
2015 to improve methods to detect, investigate, control and prevent HAI/AR outbreaks. 

Council member representatives bring expertise in healthcare epidemiology and infection prevention, environmental health, public health laboratory activities and HAI/AR reporting and regulation at the local, state, and federal levels.

More About Corha

Access CORHA Principles & Practices for Healthcare Outbreak Responses

Our comprehensive reference equips public health, healthcare, and other stakeholders with information to guide the response to any type of healthcare outbreak. Topics include:

Chapter 1: Planning and Preparation

Read Chapter
Overview
Fundamental Concepts
Planning & Preparation
Detection & Reporting
Investigation & Control
Laboratory Best Practices
Multifacility & Jurisdiction
Notification & Communication
Breach Investigations

More Resources to Manage Outbreaks

CORHA & other leading epidemiology organizations offer a variety of complimentary investigation resources to support your institution, including:

Principles and Practices for Healthcare Outbreak Response Chapters

Corha Prepared

The CORHA Principles and Practices for Healthcare Outbreak Response is a comprehensive reference developed with the aim of equipping public health, healthcare, and other stakeholders with information on a series of HAI/AR outbreak response topics.

Notification Framework One-Pager

Corha Prepared

Guidance for notification in the context of a suspected HAI outbreak.

A Trial of Automated Outbreak Detection to Reduce Hospital Pathogen Spread

Journal

A cluster-randomized trial was conducted in 82 community hospitals within a larger healthcare system to assess whether automated statistical surveillance and standardized response protocols could facilitate earlier containment efforts that would reduce the size of outbreaks.

Outbreak Response Trainings

Training Course

Free training based on The CORHA Principles and Practices for Healthcare Outbreak Response and is the product of a collaboration between CDC, CORHA, and CSTE.

Environmental Fungi

Corha Prepared

This page addresses pathogenic environmental fungi (including molds) and provides resources.

Water-Associated Organisms

Corha Prepared

This page hosts a collection of resources to assist with water-related outbreak detection and response.

Spotlight Series

CORHA profiles, stories, and updates

View all CORHA Spotlight Series

Local Health Department’s Use of Data Sharing Modeled by Snohomish County, WA

Jul 31, 2024

Importance of Data Sharing and Reporting: A Conversation with CORHA’s Policy Workgroup Co-Chairs

Jul 31, 2024

November 2023 Fall Meeting Recap

Dec 14, 2023

Outbreak News

Outbreak updates from across the United States.

View all Outbreak Reports & News

The Journal of Hospital Infection

Emergence and establishment of Staphylococcus haemolyticus ST29 in two neonatal intensive care units in Western France

Apr 01, 2025

The Journal of Hospital Infection

Endoscope-associated outbreak of OXA-181-carbapenemase-producing Klebsiella pneumoniae and its implications for hygiene management

Apr 18, 2025

Emerging Infectious Diseases

Candida auris Outbreak and Epidemiologic Response in Burn Intensive Care Unit, Illinois, USA, 2021-2023

Mar 01, 2025