@DavidWa57473731 @daveanthony It's not just CDC research. There are several other studies showing the same thing.
@DavidWa57473731@daveanthony这不仅仅是CDC的研究。其他几项研究也显示了同样的情况。
@DavidWa57473731 @daveanthony It's not just CDC research. There are several other studies showing the same thing.
@DavidWa57473731@daveanthony这不仅仅是CDC的研究。其他几项研究也显示了同样的情况。