Abstract:Recent work indicates that heightened nasal innate immunity in children may impact SARS-CoV-2 pathogenesis. Here, we identified drivers of nasal innate immune activation in children using cytokine profiling and multiplex pathogen detection in 291 pediatric nasopharyngeal samples from the 2022 Omicron surge. Nasal viruses and bacterial pathobionts were highly prevalent, especially in younger children (81% of symptomatic and 37% asymptomatic children overall; 91% and 62% in subjects <5 yrs). For SARS-CoV-2, v… Show more
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