This is a market on whether AstraZeneca’s COVID-19 vaccine will receive regulatory approval in the USA in the form of either FDA approval OR Emergency Use Authorization, whichever comes first. This market will resolve to “Yes” if AstraZeneca’s COVID-19 vaccine receives FDA approval or EUA prior to the resolution date, May 1, 2021, 12:00 PM ET, and "No" otherwise. This market will be resolved in good faith, according to the FDA list of licensed vaccines (https://www.fda.gov/vaccines-blood-biologics/vaccines/vaccines-licensed-use-united-states), the FDA EUA list (https://www.fda.gov/emergency-preparedness-and-response/mcm-legal-regulatory-and-policy-framework/emergency-use-authorization), as well as any other resolution source deemed appropriate by the Markets Integrity Committee (MIC).