This is a market on whether 225 million COVID-19 vaccine doses will be administered in the United States by April 29, 2021, 12:00 PM ET (Biden’s 100th day in office). This market will resolve to "Yes" if 225 million or more total COVID-19 vaccine doses are administered by the resolution date. This market will resolve to "No" if, for any reason, fewer than 225 million COVID-19 vaccines doses are administered by the resolution date. The resolution source for this market will be the number of total COVID-19 vaccine doses administered, as indicated by the CDC’s Covid Data tracker (https://covid.cdc.gov/covid-data-tracker/#vaccinations). This market will resolve according to the data as available immediately at the time of resolution, April 29, 2021, 12:00 PM ET, and resolution will not be delayed for the purpose of waiting for updated data from a specific date.