The Stages of HIV Infection Category A Asymptomatic or persistent lymphadenopathy Category B Persistent Candida albicans infections Category C Clinical AlDS.CMV,TB, Pneumocystis,toxoplasmosis, Kaposi's sarcoma• Category A Asymptomatic or persistent lymphadenopathy • Category B Persistent Candida albicans infections • Category C Clinical AIDS. CMV, TB, Pneumocystis, toxoplasmosis, Kaposi's sarcoma The Stages of HIV Infection