Barrett A D, Dimmock N J
Arch Virol. 1984;81(1-2):185-8. doi: 10.1007/BF01309308.
Variation of the mouse strain, the amount of defective interfering (DI) virus and the amount of infectious Semliki Forest virus (SFV) are all factors which affect the efficiency with which DI SFV prevents the SFV-mediated lethal encephalitis.