The tennis star said he hadn't had a covid vaccine because he didn't have enough information about it, but after that interview was aired, bbc health correspondents also appeared, saying that claims of a lack of information about the vaccine were dubious at best. novak djokovic says he doesn't have enough information - about the vaccine and what it might do to his body, - but there's already a mountain of evidence available. - european regulators have i approved five different covid vaccines using three - very different technologies. they were developed in record time, but went through all - t...