The content originally appeared on: CNN The Belarusian, speaking on the eve of the season-ending WTA Finals in Guadalajara, Mexico, had previously expressed concern about the vaccines, saying she was worried about how quickly they had been produced and which one might be the best for her. 'I think I'm clear right now because in Miami I did the vaccine, Johnson & Johnson,' the 23-year-old told reporters on Tuesday. 'Hopefully, I'm safe because I don't want to stay in quarantine […]