New surveillance tool makes surveys easier.
D003237:Connecticut / Q000453:epidemiology; D004196:Disease Outbreaks / Q000706:statistics & numerical data*; D015658:HIV Infections / Q000453:epidemiology*; D015528:HIV Seroprevalence; D006801:Humans; D011159:Population Surveillance / Q000379:methods*; D015995:Prevalence; D011330:Prisons / Q000706:statistics & numerical data