<prompt> Full blown immunodeficiency syndrome is characterized by -High viral titres with low CD4 countLow viral titres with low CD4 countHigh viral titres with high CD4 countHigh CD4 and high CD8  <response>: Any HIV-infected individual with a CD4 T cell count of 200mL has AIDS by definition, regardless of the presence of symptoms or oppounistic diseases . Harrisons Principles of internal medicine, 20 th edition, page 1506 