A CASE OF CHICKENPOX INFECTION FOLLOWING COVID-19 VACCINATION

We are in the middle of Coronavirus disease 2019 (COVID-19) pandemic and to take control the disease burden several COVID-19 vaccines have been authorized and approved for distribution worldwide. Pfizer-BioNTech vaccine which is a nucleoside-modified RNA vaccine (BNT162b2 Comirnatry) is one of the most important and effective COVID-19 vaccines. As the number of vaccinated people increases, we see various cutaneous side effects related to vaccination. Delayed local reactions, morbilliform rashes, urticaria are among the most common side effects. Herein, a 38-year-old immunocompetent patient with second time experienced chickenpox infection developed immediately after the second dose of Pfizer-BioNTech vaccine is presented. With this case, we reviewed the fact that chickenpox disease is not supply a life-long immunity in all people, it can be re-triggered by some immune mechanisms related with vaccination.