Jurriaans, S.

incidence hiv incidence amsterdam amsterdam sti clinic clinic study infection testing period hiv testing hiv infection cohort rohoco rotterdam cohort study rotterdam netherland trend sti clinic amsterdam cohort study center time period population coutinho ra disease participant health group person cohort studies visit hiv incidence trends increase william wilkin lippincott behavior dutch 2006. time periods article number health service duker signi disease control coutinho surveillance reproduction nationality hiv incidence rates hiv testing behavior assay copyright wit jbf hiv infections follow-up age groups epidemic survey sex transm interaction haart men dukers follow-up visit 30 years factor prevention gonorrhea syphili prevalence history 1991–1998 service 1999–2005 november hiv-negative testing rates identi fied hiv surveillance study odds ratios