‘School situation is so complicated’

August 04, 2020

CHICAGO: Infected children have at least as much of the coronavirus in their noses and throats as infected adults, according to the research. Indeed, children younger than age 5 may host up to 100...

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CHICAGO: Infected children have at least as much of the coronavirus in their noses and throats as infected adults, according to the research. Indeed, children younger than age 5 may host up to 100 times as much of the virus in the upper respiratory tract as adults, the authors found.

That measurement does not necessarily prove children are passing the virus to others. Still, the findings should influence the debate over reopening schools, several experts said. “The school situation is so complicated — there are many nuances beyond just the scientific one,” said Dr. Taylor Heald-Sargent, a pediatric infectious diseases expert at the Ann and Robert H. Lurie Children’s Hospital of Chicago, who led the study, published in JAMA Pediatrics.

“But one takeaway from this is that we can’t assume that just because kids aren’t getting sick, or very sick, that they don’t have the virus.” The study is not without caveats: It was small, and did not specify the participants’ race or sex, or whether they had underlying conditions.

The tests looked for viral RNA, genetic pieces of the coronavirus, rather than

the live virus itself. (Its genetic material is RNA, not DNA.) Still, experts were alarmed to learn that young children may carry significant amounts of the coronavirus.

“I’ve heard lots of people saying, ‘Well, kids aren’t susceptible, kids don’t get infected.’ And this clearly shows that’s not true,” said Stacey Schultz-Cherry, a virologist at St. Jude Children’s Research Hospital.

“I think this is an important, really important, first step in understanding the role that kids are playing in transmission.” Jason Kindrachuk, a virologist at the University of Manitoba, said: “Now that we’re rolling into the end of July and looking at trying to open up schools the next month, this really needs to be considered.”



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