On application of the RITA, 52 of these were reclassified as non-recent: 43 had a history of ART prior to diagnosis; two had a history of PEP or PrEP in the previous 6 months; three had a CD4 count less than 200 cells/mm3; 12 had a viral load less than 400 copies/ml; and two had an AIDS-defining illness at diagnosis. Here, CD4 is linked to AIDS.