Australian Open-bound Thiem says 'I'm vaccinated'

What are Djokovic and Medvedev trying to prove by not saying whether they are vaccinated or not? Immature behavior from tennis role models. If they are vaccinated, just say so. If they aren't vaccinated, just say so. Time to grow up and set a good example.

Hey Thiem, baaa!

What are Djokovic and Medvedev trying to prove by not saying whether they are vaccinated or not?

And what other aspects of their private medical histories do you think you’re entitled to know?