Three adults experienced severe flares related to systemic capillary leak syndrome immediately after receiving a COVID-19 vaccine, researchers wrote in Annals of Internal Medicine.
Since systemic capillary leak syndrome was first described in 1960, there have been fewer than 500 reports of patients with the disease in medical literature, according to the National Organization for Rare Disorders.
WHO classified the three recent cases of systemic capillary leak syndrome flares as “non–dose-related, unexpected and serious adverse events,” wrote Meghan Matheny, BS, an intramural