High variability in transmission of SARS-CoV-2 within households and implications for control

Adam Looney, Damon J.A. Toth, Alexander B. Beams, Lindsay T. Keegan, Yue Zhang, Tom Greene, Brian Orleans, Nathan Seegert, Stephen C. Alder, and Matthew H. Samore, 2021.
Severe 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. [download pdf]