@baadeeyaaa @loscharlos @POTUS @CDCDirector @ashishkjha Mostly they never or rarely mention it, and it isn't because they don't know about it. That has to be deliberate.
@baadeeyaaa@loscharlos@POTUS@CDC主管@ashishkjha大多数情况下，他们从未或很少提及此事，并不是因为他们不知道此事。这必须经过深思熟虑。