Alvorligt cytokin frigivelsessyndrom er karakteriseret ved alvorlig dyspnø ofte sammen med bronchospasme og hypoxi, foruden feber, kulderystelser, rigor, urticaria og angioødem.
Severe cytokine release syndrome is characterised by severe dyspnea, often accompanied by bronchospasm and hypoxia, in addition to fever, chills, rigors, urticaria, and angioedema.