Human Infection with Avian Influenza A Virus: Information for Health Professionals and Laboratorians

• Highly Pathogenic Avian Influenza A(H5N1) Virus in Animals: Interim Recommendations for Prevention, Monitoring, and Public Health Investigations
• Symptom Monitoring Among Persons Exposed to HPAI

• Interim Guidance on Testing, Specimen Collection, and Processing for Patients with Suspected Infection with Novel Influenza A Viruses with the Potential to Cause Severe Disease in Humans
• Diagnostics for Detecting H7N9 Using rRT-PCR

• Guidance for Commercial Laboratories on Increasing Submission of Influenza A and B Positive Samples to State and Local Public Health Laboratories
• CDC Strategy for Enhanced Summer 2024 Influenza Surveillance

Evaluating and Managing Patients

• Evaluating and Managing Patients Exposed to Birds Infected with Avian Influenza A Viruses of Public Health Concern

Treatment

• Interim Guidance on the Use of Antiviral Medications for Treatment of Human Infections with Novel Influenza A Viruses Associated with Severe Human Disease

Chemoprophylaxis of Persons with Bird Exposure

• Interim Guidance on Influenza Antiviral Chemoprophylaxis of Persons Exposed to Birds with Avian Influenza A Viruses Associated with Severe Human Disease or with the Potential to Cause Severe Human Disease

Chemoprophylaxis of Close Contacts

• Interim Guidance on Follow-up of Close Contacts of Persons Infected with Novel Influenza A Viruses Associated with Severe Human Disease and on the Use of Antiviral Medications for Chemoprophylaxis

• Interim Guidance for Infection Control Within Healthcare Settings for Confirmed Cases, Probable Cases, and Cases Under Investigation for Infection with Novel Influenza A Viruses Associated with Severe Disease

• Case Definitions for Investigations of Human Infection with Avian Influenza A Viruses in the United States

• Highly Pathogenic Avian Influenza A(H5N1) Virus: Identification of Human Infection and Recommendations for Investigations and Response: April 5, 2024
• Highly Pathogenic Avian Influenza A(H5N1) Virus: Recommendations for Human Health Investigations and Response April 29, 2022
• Bird Infections with Highly-Pathogenic Avian Influenza A (H5N2), (H5N8), and (H5N1) Viruses: Recommendations for Human Health Investigations and Response (Archived) June 2, 2015

• Candidate vaccine viruses and potency testing reagents for influenza A(H5N1), WHO [271 KB, 3 pages]
• Making a Candidate Vaccine Virus (CVV) for a Highly Pathogenic Avian Influenza (Bird Flu) Virus
• Summary of status of development and availability of avian influenza A(H7N9) candidate vaccine viruses, WHO [198 KB, 3 pages]
• Update of WHO biosafety risk assessment and guidelines for the production and quality control of human influenza vaccines against avian influenza A(H7N9) virus