It's very difficult to detect the agents of opportunistic infections: pulmonary and extrapulmonary tuberculosis (26.1%), septicemia by Penicillium marneffei (3 cases) with severe anemia, pneumonia by Pneumocystis jiroveci (7.7%) most seen in children <1 year, agents that caused diarrhea could be parasitic or fungous: Cryptosporidium sp, Candida sp, Entamœba hystolytica, Giardia lamblia (28.1%).