Click here for free access to our latest coronavirus/COVID-19 research, commentary, and news.

Support nonprofit science journalism

Science’s extensive COVID-19 coverage is free to all readers. To support our nonprofit science journalism, please make a tax-deductible gift today.

Scott P. Layne

Scott P. Layne Twitter Scott P. Layne is emeritus professor in the Department of Epidemiology, UCLA School of Public Health, Los Angeles, CA 90095, USA. Email: author