Problems After COVID-19 Vaccination More Prevalent Among Naturally Immune: Study

Prior infection identified as a potential predictor of adverse reactions.

A medical worker administers a dose of the Pfizer-BioNTech COVID-19 vaccine to a patient at a vaccination center in Ancenis-Saint-Gereon, France, on Nov. 17, 2021. Stephane Mahe//Reuters

People who recovered from COVID-19 and received a COVID-19 shot were more likely to suffer adverse reactions, researchers in Europe are reporting.

Participants in the study were more likely to experience an adverse reaction after vaccination regardless of the type of shot, with one exception, the researchers found.