Family: Picornaviridae

Genus: Harkavirus


Distinguishing features

The genus is distinguished on the basis of genetic characters. 



No details are available on the morphology of virions. 

Nucleic acid

Genome (Boros et al., 2015b): 8,003 nt (5′-UTR: 673 nt; ORF: 7,263 nt; 3′-UTR: 67 nt). The location of the cre has not been identified. 

Genome organization and replication

Genome layout:


The deduced polyprotein is of 2,420 amino acids. There is no L protein. The function 2A is unknown. 


No virus has been isolated. Viral RNA was detected in faeces of a 5-week-old common kestrel (Falco tinnunculus). 

Derivation of names

Harkavirus: from Harkakötöny (a village in Hungary where the first sample was collected)

Species demarcation criteria

There is only a single species in the genus.