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Record information and status
Record ID
Date of creation
2014-01-09 09:55 UTC (gutemberg.sousa@mctic.gov.br)
Date of last update
2020-06-29 18:39 UTC (austein.mcloughlin@cbd.int)
Date of publication
2020-06-29 18:39 UTC (austein.mcloughlin@cbd.int)

Organism information
Scientific name
Gallid alphaherpesvirus 1
Taxonomic Classification
SpeciesGallid alphaherpesvirus 1
Scientific name synonyms(s)
Gallid herpesvirus 1, ILT Virus, GaHV-1, ILTV, Avian herpesvirus 1, Infectious laryngotracheitis virus
Common name(s)
Additional Classification
Group (virus)
I (dsDNA)
Type of organism
  • Viruses
Characteristics related to biosafety
Centre(s) of origin
It was originally recognized as a disease of chickens in the United States in 1926.
Known pathogenicity and/or allergenicity
Gallid alphaherpesvirus 1 (GaHV-1) (also known as Avian herpesvirus 1) is a virus of the family Herpesviridae that causes avian infectious laryngotracheitis.

The disease is usually referred to as Infectious laryngotracheitis or simply LT in the poultry industry. It is widely viewed as one of the most contagious viruses that affect the poultry industry. A confirmed case will usually result in the establishment of a quarantine zone around the farm. Inside this quarantine zone, poultry workers will avoid poultry farms to prevent the spread of the virus.

GaHV-1 is shed in respiratory secretions and transmitted by droplet inhalation or via fomites. A previously unexposed flock will develop cases for two to eight weeks following introduction. The incubation period is two to eight days.
Common use(s)
  • Vaccine

Records referencing this document (4)
4record(s) found
Gene and DNA Sequence4 records