This document briefly summarizes important clinical information related to avian influenza A viruses of public health concern and CDC’s recommendations for patient evaluation, treatment, and testing.

Dec 26, 2024 · This guidance outlines CDC’s recommendations for preventing human exposures to highly pathogenic avian influenza (HPAI) A(H5N1) viruses and infection prevention and control measures, including the use of personal protective equipment, testing, antiviral treatment, patient investigations, monitoring of exposed persons, and antiviral ...

Dec 20, 2024 · Most human cases of bird flu, caused by avian influenza A (H5) virus, in the United States have been mild, so far, and most were in people who had known exposure to sick or infected animals. The severity of illness associated with …

Feb 3, 2025 · On April 1, 2024, the Centers for Disease Control and Prevention (CDC) announced that H5N1 avian influenza had been detected in a person with exposure to dairy cattle in Texas.

Dec 13, 2024 · Human infections with avian influenza viruses can happen when virus gets into a person's eyes, nose or mouth, or is inhaled. This can happen when a person touches something that has virus on it and then touches their mouth, eyes or nose, or possibly when virus is in the air (in droplets or possibly dust) and a person breathes it in.

Mar 4, 2025 · Bird flu (H5N1) is caused by an infection with avian influenza type A viruses, which primarily spread among wild aquatic birds and can infect other animals. Highly pathogenic avian influenza (HPAI) viruses cause severe disease and high mortality in infected poultry.

May 16, 2024 · WHO questions and answers page on avian influenza (H5N1), including symptoms, treatments and prevention.

Take a comprehensive patient history for hospitalized patients presenting with respiratory illness and/or conjunctivitis including asking about their occupation, animal exposure, and raw milk consumption.

Oct 3, 2023 · Humans can be infected with avian, swine and other influenza viruses. Direct contact with infected animals (through handling, culling, slaughtering or processing) or indirect contact (through environments contaminated with bodily fluids from infected animals) represent a risk for human infection.

Dec 31, 2024 · Highly pathogenic avian influenza A (H5N1) viruses have caused widespread infections in dairy cows and poultry in the United States, with sporadic human cases. We describe characteristics of...