Day: November 20, 2021

Second wave of kids with MIS-C had more severe illness than first wave, according to new Children’s National Hospital study








November 12, 2021

When comparing the first and second wave of patients diagnosed with multi-system inflammatory syndrome in children (MIS-C), the second wave patients had more severe illness, according to a new prospective cohort study of 106 patients at Children’s National Hospital in Washington, D.C. The results, published in The Pediatric Infectious Disease Journal, show that despite increased severity in the second wave cohort, both cohorts had similarities in cardiac outcomes and length of stay. Researchers are still working to better understand the exact immunologic mechanisms that trigger MIS-C and the specific factors accounting for its rare occurrence.

“We’ve now seen three distinct waves of MIS-C since the beginning of the pandemic, each wave following national spikes in cases,” said Roberta DeBiasi, M.D., chief of the Division of Pediatric Infectious Diseases at Children’s National and co-author of the study. “Kids in the

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