A bacteriophage genus of the family LEVIVIRIDAE, whose viruses contain the longer version of the genome and have no separate cell lysis gene.

Synonyms: Bacteriophage Q beta, Coliphage Q beta, Q beta Phage, Phages, Q beta, Phage Q beta, Alloleviviruses, Q beta, Bacteriophage, Phage, Q beta, Q beta, Coliphage, txid12008, Allolevivirus, Q beta Phages, txid39803, Q beta, Phage, Enterobacteria phage Q beta