Table 1

Infectious and autoimmune evaluation

Laboratory testResults
Clostridium difficile stool antigenNegative
Legionella antigenNegative
Ehrlichia chaffeensis antibodiesNegative
Rickettsia rickettsii antibodyNegative
Anaplasma phagocytophilum antibodiesNegative
Francisella tularensis antibodiesNegative
Bartonella antibodiesNegative
Brucella antibodiesNegative
Q fever antibodyNegative
Lyme disease antibodyNegative
Strongyloides IgG antibodyNegative
Babesia DNA PCRNegative
Quantiferon-TB gold plusNegative
Cryptococcal antigenNegative
Coccidioides antibodyNegative
Blastomyces antibodyNegative
Histoplasma antibodyNegative
Aspergillus flavus antibodyNegative
Aspergillus niger antibodyNegative
Aspergillus fumigatus antibodyNegative
Influenza A PCRNegative
Influenza B PCRNegative
HIV-1 antigen, HIV-1/–2 antibodyNegative
IgG antibody to EBV nuclear antigen>8.0 (reference range: <0.8), positive
IgM antibody to EBV viral capsid antigenNegative
IgG antibody to EBV viral capsid antigen5.5 (reference range: <0.8), positive
CMV IgM antibodyNegative
Antinuclear antibodyNegative
Perinuclear antineutrophilic cytoplasmic antibodyNegative
Cytoplasmic antineutrophilic cytoplasmic antibodyNegative
Methicillin-resistant staphylococcus aureus nasal swabNegative
Vancomycin-resistant enterococci perirectal swabNegative
  • CMV, Cytomegalovirus; EBV, Epstein-Barr Virus; TB, Tuberculosis.