Household Transmission of SARS-CoV-2 from Adults to Children.

Knowledge of transmission dynamics of severe acute respiratory syndrome coronavirus 2 from adults to children in household settings is limited. We found an attack rate among 213 children in 137 households to be 6.1% in households with a confirmed adult 2019 novel coronavirus disease case. Transmission from an adult to a child occurred in only 5.2% of households. Young children