Are false negative direct immnufluorescence assays caused by varicella zoster virus gE mutant strains?

Strains of Varicella zoster virus (VZV) have been described recently in which a single base mutation in the gE epitope abrogates binding of the 3B3 monoclonal antibody, which is widely used for virus detection in diagnostic laboratories. These strains, named VZV‐MSP, are associated with a distinct p...

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