Chiswell D J, Pringle C R
J Gen Virol. 1977 Sep;36(3):551-5. doi: 10.1099/0022-1317-36-3-551.
DNA isolated from cells infected with FSFV (a foamy virus) is infectious when tested on susceptible cells. The virus produced by this infectious DNA is identical to the original infecting virus in terms of plaque and virion morphology and serology.