Young kids could spread COVID-19 as much as older children and adults,
study suggests
Findings important to nationwide conversations on reopening schools and daycare

Date:
July 30, 2020
Source:
Ann & Robert H. Lurie Children's Hospital of Chicago
Summary:
Researchers have discovered that children younger than 5 years
with mild to moderate COVID-19 have much higher levels of genetic
material for the virus in the nose compared to older children and
adults. The findings point to the possibility that the youngest
children transmit the virus as much as other age groups.



FULL STORY ==========================================================================
A study from Ann & Robert H. Lurie Children's Hospital of Chicago
discovered that children younger than 5 years with mild to moderate
COVID-19 have much higher levels of genetic material for the virus in
the nose compared to older children and adults.


========================================================================== Findings, published in JAMA Pediatrics, point to the possibility
that the youngest children transmit the virus as much as other age
groups. The ability of younger children to spread COVID-19 may have been under-recognized given the rapid and sustained closure of schools and
daycare during the pandemic.

"We found that children under 5 with COVID-19 have a higher viral load
than older children and adults, which may suggest greater transmission,
as we see with respiratory syncytial virus, also known as RSV," says
lead author Taylor Heald-Sargent, MD, PhD, pediatric infectious diseases specialist at Lurie Children's and Assistant Professor of Pediatrics at Northwestern University Feinberg School of Medicine. "This has important
public health implications, especially during discussions on the safety of reopening schools and daycare." Dr. Heald-Sargent and colleagues analyzed
145 cases of mild to moderate COVID- 19 illness within the first week
of symptom onset. They compared the viral load in three age groups --
children younger than 5 years, children 5-17 years and adults 18-65 years.

"Our study was not designed to prove that younger children spread COVID-19
as much as adults, but it is a possibility," says Dr. Heald-Sargent. "We
need to take that into account in efforts to reduce transmission as we
continue to learn more about this virus."

========================================================================== Story Source: Materials provided by Ann_&_Robert_H._Lurie_Children's_Hospital_of_Chicago.

Note: Content may be edited for style and length.


========================================================================== Journal Reference:
1. Taylor Heald-Sargent, William J. Muller, Xiaotian Zheng, Jason
Rippe, Ami
B. Patel, Larry K. Kociolek. Age-Related Differences in
Nasopharyngeal Severe Acute Respiratory Syndrome Coronavirus 2
(SARS-CoV-2) Levels in Patients With Mild to Moderate Coronavirus
Disease 2019 (COVID-19). JAMA Pediatrics, July 30, 2020; DOI:
10.1001/jamapediatrics.2020.3651 ==========================================================================

Link to news story: https://www.sciencedaily.com/releases/2020/07/200730141324.htm

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