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

Open Source Medicine Foundation

Gallid alphaherpesvirus 2

Taxonomy pass, October 2026

ICTV species Mardivirus gallidalpha2, 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.

Looking for human vaccines? Use the main Virus Navigator.

At a glance

AbbreviationGaAHV2, MDV
ICTV speciesMardivirus gallidalpha2
FamilyOrthoherpesviridae
Baltimore classI — dsDNA
Human infectionNot known to infect humans

Also called: Marek's disease virus; Mardivirus gallidalpha 2; Mardivirus gallidalpha2

Duplodnaviria › Peploviricota › Herviviricetes › Herpesvirales › Orthoherpesviridae › Mardivirus

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
GenusMardivirus
ICTV identifierICTV19981472
NCBI taxon3050287
Exemplar isolateAF243438

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
Cevac MD Rispens Concentrate and Solvent for Suspension for Injection for ChickensCeva Animal Health Ltdlive attenuatedRoutine immunisationApprovedUK: approved—VMD product A010203 (VM 15052/5088); active substance "Marek's disease
Nobilis Rismavac + CA126 Concentrate and Solvent for Suspension for Injection for ChickensIntervet International B.V.live attenuatedRoutine immunisationApprovedUK: approved—VMD product A002976 (VM 06376/4125); active substance "Marek's disease
Nobilis Rismavac Concentrate and Solvent for Suspension for Injection for ChickensIntervet International B.V.live attenuatedRoutine immunisationApprovedUK: approved—VMD product A001451 (VM 06376/4124); active substance "Marek's disease
Poulvac Marek CVI + HVT Concentrate and Solvent for Suspension for Injection for ChickensZoetis UK Limitedlive attenuatedRoutine immunisationApprovedUK: approved—VMD product A003443 (VM 42058/5223); active substance "Marek's disease
Poulvac Marek CVI Concentrate and Solvent for Suspension for InjectionZoetis UK Limitedlive attenuatedRoutine immunisationApprovedUK: approved—VMD product A001877 (VM 42058/5205); active substance "Marek's disease
PREVEXXION RN Concentrate and Solvent for Suspension for InjectionBoehringer Ingelheim Vetmedica GmbHlive attenuatedRoutine immunisationApprovedUK: approved—VMD product A010343 (VM 61700/5040); active substance "Marek's disease
PREVEXXION RN+HVT Concentrate and Solvent for Suspension for InjectionBoehringer Ingelheim Vetmedica GmbHlive attenuatedRoutine immunisationApprovedUK: approved—VMD product A013630 (VM EU/2/23/302/001-003); active substance "Marek'
PREVEXXION RN+HVT+IBD Concentrate and Solvent for Suspension for InjectionBoehringer Ingelheim Vetmedica GmbHlive attenuatedRoutine immunisationApprovedUK: approved—VMD product A010342 (VM 61700/5041); active substance "Marek's disease

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. Gallid alphaherpesvirus 2. 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/gallid-alphaherpesvirus-2.html

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