Table 1.

Detection of VZV DNA in patients with RHS and ZSH

Disease (n)Appearance of zoster (n)No. (%) of PCR-positive casesNo. of PCR-positive cases with pattern of VZV load
Gradual decreasePeak after onset
RHS (25)Before onset of facial palsy (7) 1 (14)1 0
Simultaneous (12) 8 (67) 6 2
After onset of facial palsy (6) 4 (67) 0 4
Total 13 (52) 7 6
ZSH (31)None 17 (55) 10 7