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

Open Source Medicine Foundation

Equid alphaherpesvirus 4

Taxonomy pass, October 2026

ICTV species Varicellovirus equidalpha4, family Orthoherpesviridae. 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.

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At a glance

AbbreviationEqAHV4
ICTV speciesVaricellovirus equidalpha4
FamilyOrthoherpesviridae
Baltimore classI — dsDNA
Human infectionNot known to infect humans

Also called: equine rhinopneumonitis virus; Varicellovirus equidalpha4

Duplodnaviria › Peploviricota › Herviviricetes › Herpesvirales › Orthoherpesviridae › Varicellovirus

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.

RealmDuplodnaviria
KingdomHeunggongvirae
PhylumPeploviricota
ClassHerviviricetes
OrderHerpesvirales
FamilyOrthoherpesviridae
SubfamilyAlphaherpesvirinae
GenusVaricellovirus
ICTV identifierICTV19870548
NCBI taxon3050278
Exemplar isolateAF030027

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

Not searched yet. Burden, severity and transmissibility figures have not been curated for this virus yet. When they are, each will carry the exact sentence from its source.

Vaccines

In use against this virus
NameDeveloperPlatformUseStageJurisdictionsTrialsSource
Equip EHV1,4 Suspension for InjectionZoetis UK Limitedinactivated wholeRoutine immunisationApprovedUK: approved—VMD product A001510 (VM 42058/5162); active substance 'Equine herpesvi

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. Equid alphaherpesvirus 4. 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/equid-alphaherpesvirus-4.html

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