California nearing decision on reporting by coded ID.
D000163:Acquired Immunodeficiency Syndrome / Q000453:epidemiology; D002140:California / Q000453:epidemiology; D003219:Confidentiality; D018563:Disease Notification / Q000331:legislation & jurisprudence*; D015658:HIV Infections / Q000453:epidemiology*; D006801:Humans; D008396:Maryland / Q000453:epidemiology; D008404:Massachusetts / Q000453:epidemiology; D011159:Population Surveillance; D013781:Texas / Q000453:epidemiology