Aims: Studying the percentage changes of manifestations of ENT diseases following the decrease of T CD4 cells. Materials and methods: prospective study, 484 positive HIV was catergorized A,B,C grade following the decrease of T CD4 cells in Tropical Hospital. Results: CD4 200 cells/mm3 is 58 percent
manifestations of ENT deseases are more severely when CD4 decreases less than 200 cells/mm3 (68.4 percent). Following 2 periods: non-AIDS and AIDS, it is shown the clinical signe percentages of AIDS being higher than non-AIDS. However, fungal throat is also occupied 16.8 percent in non-AIDS. Conclusions: The manifestation of ENT diseases is more and more severely when T CD4 is lower and lower.