In the Letter to the Editor titled “SARS-CoV-2 Reduction in Shared Indoor Air,” published in the December 6, 2022, issue of JAMA, the author affiliations were incorrectly listed. Mr Srikrishna’s affiliation is PatientKnowhow.com, San Mateo, California; Dr Karan’s affiliation is the Division of Infectious Diseases and Geographic Medicine, Stanford University, Palo Alto, California; and Dr Dhillon’s affiliation is the Division of Global Health Equity, Brigham and Women’s Hospital, Boston, Massachusetts. This article has been corrected online.