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  2. Human herpesvirus 6 - Wikipedia

    en.wikipedia.org/wiki/Human_herpesvirus_6

    A low total IgG due to immune deficiency won't show increased titer levels. A singular rise in HHV-6 antibody levels may hint at an infection. Quest Diagnostics and ARUP Laboratories are known to provide IFA testing with specific median titer ranges. No IgM Screening Yes, present only during or shortly after active infection.

  3. Genital herpes - Wikipedia

    en.wikipedia.org/wiki/Genital_herpes

    There is currently no recommendation for asymptomatic screening for genital herpes. [8] False negative test results may occur if the test is performed late in the course of the illness or if the test sample is not appropriately acquired. [17] Testing people for HSV when they are asymptomatic is not recommended due to the high false-positivity ...

  4. Seroconversion - Wikipedia

    en.wikipedia.org/wiki/Seroconversion

    An individual with a chronic infection would test positive for HBsAg and total anti-HBc (IgM and IgG), but negative for IgM anti-HBc and anti-HBs. An individual who has successfully resolved their HBV infection will test negative for HBsAg, positive for anti-HBc, and may test negative or positive for anti-HBs, although most will test positive ...

  5. Herpes simplex virus - Wikipedia

    en.wikipedia.org/wiki/Herpes_simplex_virus

    Herpes virus DNA contains a gene for a protein called ICP4, which is an important transactivator of genes associated with lytic infection in HSV-1. [47] Elements surrounding the gene for ICP4 bind a protein known as the human neuronal protein neuronal restrictive silencing factor (NRSF) or human repressor element silencing transcription factor ...

  6. Herpes - Wikipedia

    en.wikipedia.org/wiki/Herpes

    Herpes simplex, often known simply as herpes, is a viral infection caused by the herpes simplex virus. [5] Herpes infections are categorized by the area of the body that is infected. The two major types of herpes are oral herpes and genital herpes, though other forms also exist. Oral herpes involves the face or mouth.

  7. Infectious mononucleosis - Wikipedia

    en.wikipedia.org/wiki/Infectious_mononucleosis

    Serologic tests detect antibodies directed against the Epstein–Barr virus. Immunoglobulin G (IgG), when positive, mainly reflects a past infection, whereas immunoglobulin M (IgM) mainly reflects a current infection. EBV-targeting antibodies can also be classified according to which part of the virus they bind to:

  8. Human cytomegalovirus - Wikipedia

    en.wikipedia.org/wiki/Human_betaherpesvirus_5

    An ELISA technique for CMV-specific IgM is available, but may give false-positive results unless steps are taken to remove rheumatoid factor or most of the IgG antibody before the serum sample is tested. Because CMV-specific IgM may be produced in low levels in reactivated CMV infection, its presence is not always indicative of primary infection.

  9. Epstein–Barr virus - Wikipedia

    en.wikipedia.org/wiki/Epstein–Barr_virus

    The Epstein–Barr virus (EBV) is one of the nine known human herpesvirus types in the herpes family, and is one of the most common viruses in humans. EBV is a double-stranded DNA virus and is also called human herpesvirus 4 (HHV-4). [2]