Jjjrachel: The researchers divided the patients into two groups. One group stayed on continuous anti-retroviral therapy. They took their medicines every day. The others took them periodically.

• 研究员将病人分成两组。一组将持续进行抗逆转滤过性病毒的治疗。他们将每天服用这个药物。另一组将周期性的服药。