白宫一天一检消息来源：

白宫一天一检消息来源： 这是NBC的消息，其中就有提到：Although Jean-Pierre told reporters Biden was tested “weekly,” at one point saying it was just once a week, the source told NBC News the president had in fact been tested twice this week, as is routine. 尽管Jean-Pierre告诉记者拜登“每周”进行一次检测，有一次说只是一周一次，但有消息人士告诉NBC，总统实际上每周检测两次，是例行的公事。一天一次有些以讹传讹，但是白宫的检测频率绝对不能算低的。