BackgroundSuperspreading events are important drivers of the SARS-CoV-2 pandemic and long-range (LR) transmission is believed to play a major role. We investigated two choir outbreaks with different attack rates (AR) to analyze the contribution of LR transmission and highlight important measures for prevention. MethodsWe conducted two retrospective cohort studies and obtained demograp... https://atlanticknifers.shop/product-category/hanks/