BBCNEWS BBC News January 29, 2022 03:20:00
To play by tennis australia because, very close to the wire, he'd tested positive for covid—19. his legal team presented two covid test certificates to the court from the serbian institute of public health. the first, allegedly taken on december 16, shows a positive result. the second, processed from a different lab six days later, shows a negative one. but a couple of weeks ago, a german research company wondered why the unique confirmation code on the early test was higher than the later one. usually, they're generated in chronological order. the bbc has delved deeper. a total of 56 test c...