@VesperAegis @David_LKaplan @alexmeshkin There are a lot of reports, including from the OP here, of antigen tests being slower to detect since Omicron. I don't know if there is anything formal published on the matter.
@Vesperagis@David_LKaplan@alexmeshkin有很多报告,包括来自这里的OP的报告,称自Omicron以来,抗原检测速度较慢。我不知道这件事是否有正式的报道。