TABLE 1.
Results of microbiologic screening at diagnosis
| Microbiologic screening method and infectious agent (antibody)a | Result |
|---|---|
| Serology | |
| Virus | |
| EBV (VCA IgG), CMV (IgM and IgG), and | |
| HHV-6 (IgM and IgG) | Positive |
| EBV (VCA IgM, early IgG, and EBNA IgG), parvovirus B19 (IgM and IgG), HAV, | |
| HBV, HCV, and HIV | Negative |
| Bacteria and parasites | |
| Toxoplasma (IgG), Leishmania (IgG), | |
| Salmonella enterica serovar Typhi (H and O antigens), | |
| Brucella, and Treponema pallidum | Negative |
| PCR on urine, blood, and lymph node specimens | |
| EBV, CMV, HHV-6, HHV-7, HHV-8, herpes | |
| simples virus, varicella-zoster virus, enterovirus, | |
| adenovirus, Bartonella, rubella virus, | |
| measles virus, and parvovirus B19 | Negative |
a
Abbreviations: EBV, Epstein-Barr Virus; CMV, cytomegalovirus; HHV-6, human herpesvirus 6; HAV, HBV, and HCV, hepatitis A, B, and C virus, respectively: HIV, human immunodeficiency virus.