Adverse Events From COVID Vaccination More Likely With Prior COVID Infection

People who have moderate to severe COVID-19 prior to vaccination may have increased reactogenicity to COVID-19 vaccines, according to a Canadian study.

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Individuals previously infected with SARS-CoV-2 develop immunity and may be more likely to experience adverse events following COVID-19 vaccination compared to those with no history of infection, according to a study published in Clinical Infectious Diseases.

Canadian researchers conducted a large, prospective observational study to assess the short-term safety of COVID-19 vaccines in adults with a previous history of SARS-CoV-2 infection.