Primary HIV infection is recognized with the help of a detailed screening history.

艾滋病毒感染主要是公认的帮助下，详细的检查记录。

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Participants attended mobile clinics every 3 months for a follow-up period of 12 to 30 months, depending on enrollment date. The primary outcome was the incidence of infection with HIV.

受试者依据登记的时间在接下来的为期12-30个月的随访期内每三个月在流动诊所随访。

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Participants attended mobile clinics every 3 months for a follow-up period of 12 to 30 months, depending on enrollment date. The primary outcome was the incidence of infection with HIV.

受试者依据登记的时间在接下来的为期12-30个月的随访期内每三个月在流动诊所随访。

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