Blood
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Cultures: no growth (bacterial/fungal)
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Negative for HIV 1/2 and HIV p24 Ag
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Nonreactive for Lyme antibody and Treponema pallidum immunoassay
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Negative for Coccidioides IgM and IgG. Negative for Histoplasma Ag
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Viral hepatitis panel (A, B, C) significant only for hepatitis B core Ab
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EBV serology consistent with seropositive statusa
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CMV serology consistent with seronegative status
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Urine
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Urinalysis significant only for trace proteinuria
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Negative for Legionella Ag
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Negative for Streptococcus pneumoniae Ag
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Nasopharyngeal swab
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Negative for Group A Streptococcus (direct antigen test)
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Negative for influenza A, B, RSV (rt-PCR)
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Negative for MSSA and MRSA
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Cerebrospinal fluid (CSF)
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CSF showed 14 nucleated cells/mm3 (normal 0–5/mm3) consisting of 84% polymorphonuclear leukocytes, 9% lymphocytes, and 7% monocytes; 44 mg/dL glucose (normal 41–70 mg/dL); 70 mg/dL protein (normal 15–45 mg/dL)
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Cryptococcus neoformans Ag and C. gattii Ag
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Nonreactive for West Nile virus IgG/IgM
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Negative for HSV 1, 2 and enterovirus (PCR)
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Negative for acid fast bacilli, no growth occurred during fungal and mycobacterial culture
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Stool
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Negative for Clostridium difficile toxin B (PCR)
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Other
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PPD skin test 0-mm induration
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Quantiferon Gold tuberculosis test indeterminate
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