198 Ch 198. Varicella-Zoster Virus (VZV)

dsDNA herpesvirus; primary = chickenpox (varicella, generalized vesicular rash, contagious airborne); reactivation = shingles (zoster, dermatomal painful rash); Shingrix (recombinant subunit) ≥ 50 yr or immunocompromise = 真正 game changer; PHN postherpetic neuralgia complication; encephalitis + ophthalmicus = emergencies。