Going Big: How Stadiums Are Being Used In The Fight Against COVID-19 KEY POINTS President-elect Biden wants 100 million people vaccinated in his first 100 days Unlike the polio campaign in the 1950s, the effort is troubled by a trust deficit Looking at the slow pace of providing inoculations against COVID-19, state and local leaders are starting to open up stadiums and other large facilities as mass vaccination sites, though guidelines on social distancing could complicate the effort. President-elect Joe Biden, in an address to the nation on Thursday, said he aimed to have 100 million people injected with their first shots of the two-shot regime by the end of his first 100 days in office on April 30.