The authors do not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and have disclosed no relevant affiliations beyond their ...

Pew Research Center designed this study to assess the current state of online survey sampling methods – both probability-based and opt-in – and determine their accuracy on general population estimates ...

Gudbjartsson and colleagues (June 11 issue) 1 reveal important insights into the transmission of SARS-CoV-2. An aspect of their study that merits further exploration is the positive test results in ...