The May 12 Senate hearing regarding the COVID-19 pandemic included the usual conversations about contact tracing, but Anthony Fauci, director of the National Institute of Allergy and Infectious Diseases, said he is “cautiously optimistic” that one of the vaccines currently in trial in the U.S. will work, but that it is unlikely a vaccine will be ready by September 2020. In contrast, Assistant Secretary for Health Brett Giroir said testing capacity may reach 50 million tests per month by that time, thanks in part to the fact that antigen testing is now part of the FDA’s emergency use authorization mechanism.