http://www.w3.org/ns/prov#value | - Induration of 10 mm or greater is considered a positive test if the patient has none of the above criteria but: (1) does have a medical condition that increases the risk of active disease once infection has occurred; (2) was born in Asia, Africa, or Central or South America; (3) is an African American, Native American, or Hispanic and is a member of a lower socioeconomic group; (4) abuses intraven
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