Children unlikely to spread coronavirus in school when proper precautions are taken, researchers find From CNN Health’s Maggie Fox and Ben Tinker

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Sun, 2021-01-31 00:30 — mike kraft

Transmission of coronavirus in schools can be limited if kids mask up, study suggests An in-depth look at two US schools supports the argument that children don't spread coronavirus in school any more than in the community -- when proper precautions are taken. Maggie Fox, CNN CNN

An in-depth look at two US schools supports the argument that children don’t spread coronavirus in school when proper precautions are taken.

Out of 3,500 students, just 234 coronavirus infections were documented during the fall semester, the researchers reported in a pre-print study posted online.

Just 9% of students who brought new infections to school infected others, the researchers found.

“There was no evidence of student-to-teacher or teacher-to-student transmission in either school,” they wrote.

“To our knowledge, this is the only, comprehensive and long-term study that tested all K-12 students (asymptomatic) and staff from August through December -- making it the only one where we really see disease incidence in this age group and true spread in schools,” Dr. Darria Long of the University of Tennessee Department of Emergency Medicine, who worked on the study, told CNN.

The team studied two independent K-12 schools, not named. One was described as being in the Southeast and one in the Mid-Atlantic. Each school followed the US Centers for Disease Control and Prevention’s guidelines for preventing the spread of the virus, including social distancing and mask use. They also implemented “aggressive” laboratory screening testing policies.

“Seventy two percent of in-school transmission cases in School A were associated with noncompliance with school mask wearing rules. Of known off-campus sources, the major ones identified were family exposure, including siblings returning from college; off-campus activities, including parties and other gatherings,” they wrote.

“Children do contract Covid-19 and can transmit it, but rates of illness when they are in school are lower than rates of illness when they are out of school, suggesting that children and communities may be at lower risk when children are in school,” Long said.