 This study suggests that most people who become infected with SARS-CoV-2 do not remain asymptomatic throughout the course of the infection. However, it is important to note that the majority of studies included in this analysis were not designed to estimate the proportion of asymptomatic SARS-CoV-2 infections, and thus may have been subject to selection biases. Additionally, the database used in this analysis does not include all sources, so the estimates provided should be interpreted with caution.