COVID-19 Vaccination Reactivates Highly Contagious Virus: Studies

Reports of people being diagnosed with shingles on the rise

A child gets a Pfizer COVID-19 vaccine in Hartford, Conn., on Jan. 6, 2022. Joseph Prezioso/AFP via Getty Images

News Analysis

Doctors and scientists are seeing an increase in the reactivation of the chickenpox virus, known as varicella-zoster virus (VZV), following the COVID-19 injections.