| http://www.w3.org/ns/prov#value | - PFGE types were defined as isolates that are 100% identical, and genetic relatedness was determined by isolates that had ???80% similarity.For patients who acquired an IRPA, we explored the following criteria for whether the strain was acquired as a result of patient-to-patient transmission: (1) the isolates were defined as similar on the basis of the PFGE type, and (2) they were defined as epidem
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