Doctors fear that rise in infection rates points to a return to unsafe sex.
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D005260:Female; D015658:HIV Infections / Q000453:epidemiology / Q000635:transmission; D006801:Humans; D008297:Male; D009426:Netherlands / Q000453:epidemiology; D021841:Safe Sex; D012749:Sexually Transmitted Diseases / Q000453:epidemiology* / Q000635:transmission