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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.

Francesca orsiniAlessandro bartesaghiMelanie neelandEmily hendersonNature communicationsMurdoch children research instituteMurdoch childrenResearch instituteImmune systemCorona virusImmune responseSars cov 2பிரான்செஸ்கா ஆர்ஸீநீஎமிலி ஹென்டர்சன்இயற்கை தகவல்தொடர்புகள்முர்டோக் குழந்தைகள் ஆராய்ச்சி நிறுவனம்