@_LeoIzmir @JenniferJJacobs @PressSec False. They're using antigen tests which are only positive with a high viral load, not remaining traces. Most people test negative after 10 days or so.
@_LeoIzmir @JenniferJJacobs @PressSec 错误。他们使用的抗原测试仅在病毒载量高时呈阳性，而不是残留痕迹。大多数人在 10 天左右后检测呈阴性。