SAN ANTONIO -- Many reported anaphylactic reactions to COVID-19 vaccination may in fact be attributable to vaccine-induced immunization stress-related response (ISRR), suggested findings from a small ...

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Find the latest COVID-19 news and guidance in Medscape's Coronavirus Resource Center. People who experienced an allergic reaction to a first dose of either the Pfizer/BioNTech or Moderna mRNA COVID-19 ...

In a recent article published in Pediatrics, researchers presented the results of their rapid cycle analysis (RCA) safety surveillance, which is a weekly surveillance monitoring of monovalent ...

Although COVID-19 mRNA-1273 vaccination was associated with increased risk for anaphylaxis, myocarditis, and pericarditis, no other reported adverse events of special interest were considered related ...

In a recent investigation posted to the journal JAMA Internal Medicine,* researchers estimate the risk of a repeated allergic reaction to the second severe acute respiratory syndrome coronavirus 2 ...

The approved COVID-19 vaccines have undergone the necessary clinical trials, deeming them safe and effective. And where there is evidence of side effects ranging from mild to severe, the more serious ...