CD4 and AIDS: Historically, HIV-infected patients have been labelled as ‘late presenters’ for care on the basis of the established threshold described in older versions of the treatment guidelines, e.g. individuals with a diagnosis of AIDS and/or CD4 counts of less than 350 cells/mm3 or individuals with a even more advanced stage of HIV disease (a diagnosis of AIDS and/or CD4 counts of less than 200 cells/mm3) at the time of their first presentation for  ́[10].