Infected infants have VZV-specific IgM and IgG antibodies detectable in the cord blood. IgM titers drop quickly after birth but IgG persists. Chorionic villi sampling and fetal blood sampling for ...
Therefore dual reactivation of HSV-1 and VZV was suggested in this child. A total of 12 other HSV-seropositive children did not show significant increases in anti-HSV IgG or IgM antibody values.
Regarding the laboratory tests explained in the article, the importance of varicella zoster virus (VZV) IgA antibodies in the serological diagnosis of (VZV) infection should be emphasized (1).