President Joe Biden puts his hand on a man’s shoulder during a visit to a coronavirus disease (COVID-19) vaccination site at Virginia Theological Seminary in Alexandria, Virginia, U.S., April 6, 2021.Kevin Lemarque | ReutersThe Biden administration is preparing for the potential need for Covid-19 vaccine booster shots, though nothing is certain, a top U.S. official said Friday.”Requiring additional shots in the future is obviously a foreseeable potential event,” Andy Slavitt, senior advisor to President Joe Biden’s Covid response team, told reporters during a press briefing Friday. “I want to emphasize that while there is certainly speculation about this, that …
