This virus has also lost a function of the Nef gene that is present in most SIVs; without this function, T cell depletion is more likely, leading to immunodeficiency.
This virus has also lost a function of the Nef gene. This function of the Nef gene is present in most SIVs. T cell depletion is more likely. This is without this function. This is leading to immunodeficiency.