Reactivation of Varicella Zoster Virus after Vaccination for SARS-CoV-2

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Reactivation of Varicella Zoster Virus after Vaccination for SARS-CoV-2


Authors: 
Mina Psichogiou, Michael Samarkos, Nikolaos Mikos, and Angelos Hatzakis

Abstract:
Seven immunocompetent patients aged > 50 years old presented with herpes zoster (HZ) infection in a median of 9 days (range 7–20) after vaccination against SARS-CoV-2. The occurrence of HZ within the time window 1–21 days after vaccination defined for increased risk and the reported T cell-mediated immunity involvement suggest that COVID-19 vaccination is a probable cause of HZ.
These cases support the importance of continuing assessment of vaccine safety during the ongoing
massive vaccination for the COVID-19 pandemic and encourage reporting and communication of
any vaccination-associated adverse event.

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