HBB and spotted fever: B: hybridization control; CI: exogenous amplification control; BG: endogenous amplification control of beta-globin human fragment; GR: Rickettsia group; TG: Rickettsia typhi group; SFG: Rickettsia spotted fever group; EH: Ehrlichia; AN: Anaplasma; FR: Francisella; BAR: Bartonella 16S rRNA; BAR2: Bartonella gltA; BOR: Borrelia; COX: Coxiella; TBFC: tick-borne bacterial flow chip