Author's addendum to November 2004 clinical challenge.
D017028:Caregivers; D018562:Disease Transmission, Infectious; D005260:Female; D017408:Guidelines as Topic; D015658:HIV Infections / Q000635:transmission*; D006301:Health Services Needs and Demand; D006801:Humans; D017758:Infectious Disease Transmission, Patient-to-Professional / Q000517:prevention & control*; D008297:Male; D011322:Primary Prevention / Q000592:standards