ImportanceUnderstanding the susceptibility and infectiousness of children and adolescents in comparison to adults is important to appreciate their role in the COVID-19 pandemic. ObjectiveTo determine SARS-CoV-2 susceptibility and infectiousness of children and adolescents with adults as comparator for three variants (wild-type. alpha. delta) in the household setting. https://www.learningepistemology.com/product-category/diffusers/