US considering coronavirus strain for potential human challenge trials -- but there's no intention to use it, Fauci says - CNN

The nation's top infectious disease expert, Dr. Anthony Fauci, confirmed to CNN on Friday that scientists at the National Institute of Allergy and Infectious Diseases are working to have a strain of coronavirus created that could be used in human challenge tr… https://www.cnn.com/2020/08/14/health/coronavirus-vaccine-strain-us-scientists-bn/index.html