It is difficult to detect the intestinal protozoal infections among the HIV-infected persons or travelers diarrhea by using the traditional microscopy or staining methods. The purpose of this study aimed at finding out the appropriate diagnostic methods and the infection rate of the intestinal protozoa, including the Entamoeba, Cryptosporidium and Giardia among the HIV-infected persons by using the antigen detection method and biological method. The investigators also tried to analyze the associated HIV infection status and sexual transmitted diseases (STD) including Gonorrhea, Chlamydial trachomatis, Syphilis, Genital warts and Herpes simplex virus in this study. The study will collect the blood, urine and stool samples from 200 intravenous drug user (IDU) with HIV-infected in the prisons, 400 intravenous drug user (IDU) without HIV infected and 100 intravenous drug user (IDU) with HIV infected receiving methadone maintenance treatment.
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AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.
Bring these to your next appointment. They're a starting point for a shared conversation — not a sign you qualify or a recommendation to enrol.
Generated to help you prepare — always confirm anything about your own eligibility and care with the study team and your doctor.
The trial coordinator is the person who runs the study day to day. These cover the practical side — logistics, costs, and what taking part would actually mean for your life. The study team confirms whether you meet the criteria; these are questions to ask, not a sign you qualify.
A starting point for the conversation — always confirm anything about your own eligibility, costs, and care with the study team and your doctor.