"You just have to keep telling the truth," he said of his COVID-19 vaccination push. This week, Fox News's Sean Hannity implored viewers of his prime-time show to take the virus "seriously," saying he believed in the science of the shots. White House press secretary Jen Psaki equivocated this week when asked whether legendary quarterback Tom Brady was helping Biden with a vaccination public service announcement. Brady visited the White House on Tuesday to celebrate the Tampa Bay Buccaneers Super Bowl LV win over the Kansas City Chiefs in February. But the president was less coy during the event staged in Ohio on Wednesday.