Figure 4From: A novel method for producing target cells and assessing cytotoxic T lymphocyte activity in outbred hostsEnv-specific CTL activity in acutely FIV infected cats. The PBMCs were obtained at the indicated times post-infection and used as effector cells without ex vivo restimulation. The dotted line indicates the cut-off value. Cat GP died 40 days post inoculation due to unexplained renal failure.Back to article page