BackgroundSevere acute respiratory syndrome coronavirus 2 (SARS-CoV-2) poses a high risk of transmission in close-contact indoor settings. which may include households. Prior studies have found a wide range of household secondary attack rates and may contain biases due to simplifying assumptions about transmission variability and test accuracy. MethodsWe compiled serological SARS-CoV-... https://fitnessgravesyardes.shop/product-category/refurbished-controller/