Herpes zoster duplex following COVID‐19.

According to the previously cited Chinese study, immunosuppression caused by concomitant diseases or drugs is present in 47.2% of patients.2 These data mean that HZD occurs also in immunocompetent subjects.4 Herpes zoster duplex can be mono- or bilateral, symmetric or asymmetric. Dear Editor, Herpes zoster duplex (HZD) is a rare clinical variety of herpes zoster (HZ) in which at least two noncontiguous dermatomes, mono- or bilaterally, symmetrically or asymmetrically, are involved.1 A review of the literature revealed approximately 50 cases of HZD. However, in patients with previous COVID-19, HZ often develops 8-10 weeks after COVID-19 recovery: this is because of a reactivation of latent VZV infection.5 In our patient, the appearance of HZD can be because of chronic lymphopenia after COVID-19 recovery. [Extracted from the article]