This category is for sites dealing with the genetics of bacteriophage which are a virus that infects and lyses certain bacteria. Families or groups include Corticoviridae, Cystoviridae, Inoviridae, Leviviridae, Leviviridae, Lipothrixviridae, Microviridae, Myoviridae, Plasmaviridae, Podoviridae, Siphoviridae, Sulpholobus shibatae virus, and Tectiviridae.