Jan 22, 2025 · As avian influenza rages through birds and dairy cattle across the United States, Georgia has become the latest state to detect the virus in a commercial poultry flock, and on Friday, it halted...

Mar 4, 2025 · As H5N1 influenza A (bird flu) spreads, the need for a vaccine grows. Do seasonal flu vaccines protect against H5N1? What current H5N1 vaccines exist—and what developments are underway?

Feb 14, 2025 · Even with the conditional approval, USDA must still approve its use before farmers can start to administer the vaccine because special regulations apply to H5N1 and other so-called highly pathogenic avian influenza (HPAI) viruses.

A H5N1 vaccine is an influenza vaccine intended to provide immunization to influenza A virus subtype H5N1. Vaccination of poultry against the avian H5N1 influenza epizootic is widespread in certain countries. [6][7] Some vaccines also exist for use in humans, and others are in testing.

2 days ago · This bird flu, which scientists call highly pathogenic avian influenza, or H5N1, is already at panzootic — animal pandemic — status, killing birds in every continent except for Australia.

Feb 16, 2025 · Zoetis, the manufacturer behind the vaccine, announced the conditional approval Friday, saying in a news release its scientists had begun updating its existing avian flu vaccine in 2022.

May 1, 2024 · The U.S. has contracts with three manufacturers for pandemic influenza vaccines: GlaxoSmithKline, CSL Seqirus and Sanofi. One of the vaccine candidates is from CSL Sequirus.

Mar 20, 2025 · The H5N1 strain of highly pathogenic avian influenza (HPAI) is present in wild birds worldwide and is causing outbreaks in U.S. domestic birds and dairy cattle. Many other species are also susceptible to this virus. APHIS is working with our Federal, State, and industry partners to combat outbreaks, support producers, and strengthen prevention.

This page outlines CDC’s recommendations for preventing exposure to avian influenza viruses.

Feb 18, 2025 · But just last week, the U.S. Department of Agriculture conditionally approved a vaccine to protect poultry from avian influenza. Vaccinating poultry against bird flu is something that other...