Data ICTV MSL41 & NCBI · 31 October 2026 Methods · Changelog · Corrections

Open Source Medicine Foundation

Influenza A virus

Taxonomy pass, October 2026

ICTV species Alphainfluenzavirus influenzae, family Orthomyxoviridae. What it is, and what exists against it.

These are animal vaccines. None of them is a vaccine for people. Every product on these pages is authorised for the animal species named in its row, by the UK Veterinary Medicines Directorate. A product licensed for cattle or poultry says nothing about whether protection exists for a person, and several of these viruses do not infect people at all.

Looking for human vaccines? Use the main Virus Navigator.

At a glance

AbbreviationFLUAV
ICTV speciesAlphainfluenzavirus influenzae
FamilyOrthomyxoviridae
Baltimore classV — (−)ssRNA
Human infectionHuman infection recorded; pattern not classified

Also called: Alphainfluenzavirus influenzae

Riboviria › Negarnaviricota › Insthoviricetes › Articulavirales › Orthomyxoviridae › Alphainfluenzavirus

What it is

Taxonomy copied from ICTV MSL41.v1 / VMR_MSL41.v1.20260729.xlsx. These ranks are not hand-edited; a correction means re-running the fetch against a newer release.

RealmRiboviria
KingdomOrthornavirae
PhylumNegarnaviricota
ClassInsthoviricetes
OrderArticulavirales
FamilyOrthomyxoviridae
GenusAlphainfluenzavirus
ICTV identifierICTV19710226
NCBI taxon2955291
Exemplar isolateRNA1: V00603; RNA2: J02151; RNA3: V01106; RNA4: V01088; RNA5: J02147; RNA6: J02146; RNA7: V01099; RNA8: J02150
GenomeSegmented, 8 segments

Host evidence

Counts of nucleotide records annotated with that host. Evidence of provenance, not a statement of host range.

Where it occurs

Not searched yet. No country-level occurrence data has been curated for this virus. The WHO reported-case data on this site covers a limited set of diseases; a virus outside it gets no map rather than an empty one.

What it does

Each figure is the one its source printed, with the sentence it came from. Nothing is recomputed, averaged or converted.

Burden

MeasureAs the source states itSource
Annual Deaths290 000 to 650 000 respiratory deaths annuallyglobal
quote
It causes 290 000 to 650 000 respiratory deaths annually.

Influenza (seasonal) fact sheet · source · verified 2026-10-30

Transmission and spread

MeasureAs the source states itSource
Incubation Period1-4 daysglobal
quote
Symptoms begin 1-4 days after infection and usually last around a week.

Influenza (seasonal) fact sheet · source · verified 2026-10-30

More, with study designs and vaccine efficacy: disease-risk page.

Vaccines

In use against this virus
NameDeveloperPlatformUseStageJurisdictionsTrialsSource
BioEquin F Suspension for Injection for HorsesBioveta, a.s.inactivated wholeRoutine immunisationApprovedUK: approved—VMD product A014023 (VM 46608/3005); active substance 'Equine influenz
BioEquin FT Suspension for Injection for HorsesBioveta, a.s.Not searched yetRoutine immunisationApprovedUK: approved—VMD product A014024 (VM 46608/3006); active substance 'Equine influenz
Equilis Prequenza Te Suspension for Injection for HorsesMSD Animal Health UK LimitedNot searched yetRoutine immunisationApprovedUK: approved—VMD product A006247 (VM 01708/5031); active substance 'Equine influenz
Equilis Prequenza, Suspension for Injection, for HorsesMSD Animal Health UK Limitedinactivated wholeRoutine immunisationApprovedUK: approved—VMD product A006246 (VM 01708/5032); active substance 'Equine influenz
Equip FZoetis UK Limitedinactivated wholeRoutine immunisationApprovedUK: approved—VMD product A002907 (VM 42058/5231); active substance 'Equine influenz
Equip FT Suspension for InjectionZoetis UK LimitedNot searched yetRoutine immunisationApprovedUK: approved—VMD product A002885 (VM 42058/5163); active substance 'Equine influenz
Nobilis Influenza H5N2 Emulsion for Injection for ChickensMSD Animal Health UK Limitedinactivated wholeRoutine immunisationApprovedUK: approved—VMD product A006825 (VM 01708/5044); active substance 'Avian influenza
ProteqFlu Suspension for Injection for HorsesBoehringer Ingelheim Vetmedica GmbHlive attenuatedRoutine immunisationApprovedUK: approved—VMD product A006565 (VM 61700/5076); active substance 'Equine influenz
ProteqFlu-Te Suspension for Injection for HorsesBoehringer Ingelheim Vetmedica GmbHNot searched yetRoutine immunisationApprovedUK: approved—VMD product A006564 (VM 61700/5077); active substance 'Equine influenz
Respiporc Flu3 Suspension for Injection for PigsCeva Animal Health Ltdinactivated wholeRoutine immunisationApprovedUK: approved—VMD product A007409 (VM 15052/5016); active substance 'Swine influenza
RESPIPORC FLUpan H1N1Ceva Sante Animaleinactivated wholeRoutine immunisationApprovedUK: approved—VMD product A011152 (VM EU/2/17/209/001–002); active substance 'Swine
RESPIPORC FLUpan H1N1 Suspension for Injection for PigsCeva Animal Health Ltdinactivated wholeRoutine immunisationApprovedUK: approved—VMD product A009475 (VM 15052/5017); active substance 'Swine influenza
Vaxxinact H5 Emulsion for InjectionBoehringer Ingelheim Vetmedica GmbHlive attenuatedRoutine immunisationApprovedUK: approved—VMD product A014789 (VM EU/2/25/356/001-002); active substance 'Avian

Antivirals

Not searched yet. No US-approved antiviral for this virus was found in the openFDA drug label endpoint. Only US labels were searched, and only drugs the FDA classes as antivirals.

Antibodies and immune globulins

Not searched yet. No US-approved antiviral antibody for this virus was found in the openFDA drug label endpoint.

Approval status is not a treatment recommendation. Dosing and eligibility are on the label and in national guidelines. This page does not give medical advice and does not render dosing. A development stage is not a measure of how well something works.

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Cite this page. Influenza A virus. Vaccine Data Navigator, Open Source Medicine Foundation. Built 31 October 2026 from the ICTV Virus Metadata Resource (MSL41) and NCBI Taxonomy/GenBank. https://vaccinedatanavigator.org/virus-navigator/veterinary/viruses/influenza-a-virus.html

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