After AstraZeneca withdrew its COVID-19 vaccine, ex-England cricketer Kevin Pietersen wrote on X, "It’s time for every single person (who criticised) and Australian government to issue apology to Novak Djokovic now." He added, "I think that'd be fitting as he went through hell!" Djokovic was sent back and not allowed to play Australian Open 2022 as he hadn't got vaccinated.