The Moderna vaccine is 94.5% effective against coronavirus, according to early data released Monday by the company, making it the second vaccine in the United States to have a stunningly high success rate.
An Emergency Use Authorization (EUA) in the United States is an authority granted to the Food and Drug Administration (FDA) under sections of the Federal Food, Drug, and Cosmetic Act as added to and amended by various Acts of Congress, including by the Pandemic and All-Hazards Preparedness Reauthorization Act of 2013 (PAHPRA). It does not constitute approval of the drug in the full statutory meaning of the term, but instead authorizes FDA to facilitate availability of an unapproved product, or an unapproved use of an approved product, during a declared state of emergency from one of several agencies or of a "material threat" by the Secretary of Homeland Security.
When will an efficacious COVID-19 vaccine obtain emergency use authorization in the United States?
This question resolves on the time during which the FDA provides emergency use authorization (EUA) to a COVID-19 vaccine that has been demonstrated to have an efficacy rate >75% in a n>500 RCT. If a vaccine is not given EUA by the upper end of the date range, this question resolves as ">".