Djokovic had a point that is shared by many young male athletes and their physicians They are at very low risk to die from COVID-19 infection. However the incidence of symptomatic and asymptomatic myocarditis in young males who receive the vaccine is worrisome. a rash of young male athletes have died during bursts of strenuous physical activity. Really can’t blame him.
He was in a tough spot in every other respect, though. A foreigner has almost no leverage when it comes to an immigration/visa process like that.