The White House’s effort that involves people going door-to-door to try to boost COVID-19 vaccination rates does not rely on a database, the Biden administration’s press secretary said Thursday. “The federal government does not have a database of who has been vaccinated. That is not our role,” press secretary Jen Psaki told reporters in Washington. “We don’t maintain a database along those lines. And we have no plans to.” White House officials, as well as President Joe Biden, said Tuesday that a key focus in the coming weeks was knocking on doors to deliver information about COVID-19 vaccines to Americans. “We need to go to community by community, neighborhood by neighborhood, and oftentimes, door to door—literally knocking on doors—to get help to the remaining people,” or those who have not received a vaccine, Biden said in remarks from the White House. The plan triggered staunch pushback from Republicans, with Arizona Attorney …