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.

The vaccine, Influenza A (H5N1) Virus Monovalent Vaccine, Adjuvanted, is the first adjuvanted influenza vaccine approved by FDA and is for use in people 18 years of age and older...

Jan 22, 2025 · Earlier this month, a person in Louisiana died after being hospitalized with severe bird flu in December. It’s the country’s first recorded death attributed to H5N1. The US has previously...

Mar 4, 2025 · For example, 2 doses of an mRNA vaccine derived from a clade 2.3.4.4b H5N1 virus protected ferrets (the most common model for studies on influenza infection and disease) from lethal doses of H5N1—animals who did not receive the vaccine died. It also reduced viral titers in the upper and lower respiratory tracts, which is important for reducing disease severity and risk of viral transmission.

May 16, 2024 · Is a vaccine available to prevent human infection with H5N1 viruses? As part of their influenza pandemic preparedness work, some countries have developed and licensed vaccines that could be used for avian influenza viruses, including H5N1.

Mar 28, 2023 · Influenza Virus Vaccine, H5N1 is used to help prevent disease in people who are at risk of coming into contact with infected birds or other sources of the virus. Influenza Virus Vaccine, H5N1 is for use in adults and children who are at least 6 months old.

Influenza A (H5N1) Virus Monovalent Vaccine, Adjuvanted is approved for use in persons (6 months and older) at increased risk of exposure to the influenza A virus H5N1 subtype contained...

Jul 2, 2024 · Will mRNA vaccines be used to protect against H5N1? Currently, H5N1 is circulating in birds and in some dairy cows, and at this time, risk to human health is low and vaccination is not recommended for any segment of the population.

Feb 14, 2025 · The USDA approval may signal a shift in policy linked to the Trump administration’s worries about egg prices. 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.

Oct 21, 2024 · AREPANRIX is a vaccine indicated for active immunization for the prevention of disease caused by the influenza A virus H5N1 subtype contained in the vaccine. AREPANRIX is approved for use in...