New research finds older children can transmit COVID-19 just as much as adults

WASHINGTON, July 19 (Xinhua) -- Children between the ages of 10 and 19 can transmit COVID-19 within a household just as much as adults, according to new research published in the U.S. Centers for Disease Control and Prevention journal Emerging Infectious Diseases.

Researchers from the South Korea Centers for Disease Control and Prevention analyzed reports for 59,073 contacts of 5,706 COVID-19 index patients reported in South Korea from January 20 to March 27.

 

Of 10,592 household contacts, 11.8 percent had COVID-19, and rates were higher for contacts of children than adults, according to the study. Of 48,481 non-household contacts, 1.9 percent had COVID-19.

 

Researchers also found the highest COVID-19 rate at 18.6 percent for household contacts of school-aged children and the lowest at 5.3 percent for household contacts of children 0-9 years in the middle of school closure.

 

"Rates were higher for contacts of children than adults," said the authors. "These risks largely reflected transmission in the middle of mitigations and therefore might characterize transmission dynamics during school closure."

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