Assertion: chronic q fever | /r/DefinedAs | phase
Facets:
value: given is 1:512
type: OTHER
Source sentences:
text: Chronic Q fever was defined as a phase I IgG titre of ⩾1:1024, consistent with the CDC laboratory confirmation of chronic infection (phase I IgG titre ⩾1:800), given that the next-lowest titre below 1:1024 reported by Quest Diagnostics laboratories is 1:512.