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Most children with severe inflammation have mild COVID-19.

New U.S. research shows that most children with severe inflammation linked to the coronavirus have either asymptomatic or mild coronavirus infection.

The abnormal post-infection condition tends to be more severe in children with COVID-19, although more than half of the affected children receive intensive hospital care. By the Federal Centers for Disease Control and Prevention published Tuesday in JAMA Pediatrics.

This study represents the largest current analysis in the US case of pediatric multiple system inflammatory syndromes and supports evidence that it is a delayed immune response to COVID-1

9. 1,800 cases reported to CDC from March 2020 to mid-January. Most of them were in children under 15, but the study included age up to 20.

The researchers said the case occurred two to five weeks after COVID-19 peaked and the first infection spread from urban areas to rural areas. Recent CDC data indicate that there are emerging highs in childhood that are in line with that trend.

State reports as of March 29 totaled 3,185 and 36 deaths, the CDC’s website shows, state reports are not always on time, so it is unsure how many children in the United States have had ailments since their death. Study ends

Most children with COVID-19 will not develop post-infection illness. Nearly 3.5 million children and adolescents in the United States have been tested positive for COVID-19, according to data compiled by the American Academy of Pediatrics and the Children’s Hospital Association.

This condition was first reported in Europe in late winter and spring last year. Some cases, especially those with silent, undiagnosed COVID-19 infection, may be mistaken for Kawasaki disease, a rare condition that can cause red, swollen skin and heart problems.

Dr. Sean O’Leary, vice chair of the Infectious Diseases Committee at the Academy of Pediatrics, said inflammatory conditions often make children sick very quickly, but most “ respond very well to treatment and most of them get better. ”

Treatment may include steroids and other drugs that can reduce inflammation.

The best way to prevent COVID-19 infection is to prevent infection. “What vaccines are doing very well,” he says. A study of the COVID-19 vaccine in children.

In the CDC analysis, fever is the most common symptom. Abdominal pain, vomiting, diarrhea, and redness occurred in at least half of the affected children. Almost a third have had heart attacks or other heart involvement.These symptoms are more common in children up to age 4, who are less likely to require intensive care than older children.


You can follow AP Medical Writer Lindsey Tanner at @LindseyTanner.


The Associated Press’s Department of Health and Science is sponsored. From the Howard Hughes Medical Institute’s Department of Educational Sciences, the AP is solely responsible for all content.

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