WA 40 Washington - Americký prezident Joe Biden sa usmieva po tom, čo dostal štvrtú dávku vakcíny proti ochoreniu COVID-19 vo Washingtone v stredu 30. marca 2022. FOTO TASR/AP President Joe Biden smiles after receiving his second COVID-19 booster shot in the South Court Auditorium on the White House campus, Wednesday, March 30, 2022, in Washington. (AP Photo/Patrick Semansky)