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abstractpubmed· Abstract 2018· item PMID:29664374

Bartonella henselae DNA in Seronegative Patients with Cat-Scratch Disease. We used real-time PCR to detect Bartonella henselae DNA in 7.9% (5/63) of blood specimens from seronegative patients in Japan suspected of having cat-scratch disease. The combined use of serologic tests and real-time PCR to analyze blood specimens is recommended for the prompt, noninvasive laboratory diagnosis of cat-scratch disease.