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Innate immune system prevents severe COVID-19 in children
Children are protected from severe COVID-19 because their innate immune system is quick to attack the virus, a new study has found.
The research led by the Murdoch Children s Research Institute (MCRI) and published in
Nature Communications, found that specialized cells in a child s immune system rapidly target the new coronavirus (SARS-CoV-2).
MCRI s Dr Melanie Neeland said the reasons why children have mild COVID-19 disease compared to adults, and the immune mechanisms underpinning this protection, were unknown until this study.
Children are less likely to become infected with the virus and up to a third are asymptomatic, which is strikingly different to the higher prevalence and severity observed in children for most other respiratory viruses, she said.
This thing can protect children from severe COVID-19
Credit: CC0 Public Domain
In a new study, researchers found that children are protected from severe COVID-19 because their innate immune system is quick to attack the virus.
They found that specialized cells in a child’s immune system rapidly target the new coronavirus (SARS-CoV-2).
The research was conducted by a team the Murdoch Children’s Research Institute (MCRI).
Children are less likely to become infected with the virus and up to a third are asymptomatic, which is strikingly different to the higher prevalence and severity observed in children for most other respiratory viruses.
Children s innate immune system protecting them from severe COVID, Melbourne researchers find
By national medical reporter Sophie Scott and ABC specialist reporting team s Loretta Florance
Posted
WedWednesday 17
updated
ThuThursday 18
FebFebruary 2021 at 7:53am
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Francesca Orsini was preparing to celebrate her daughter s second birthday when the family received a call from Victoria s Department of Health, telling them the toddler had tested positive for COVID-19.
Key points:
Researchers studied 28 Melbourne households who were infected or exposed to the virus