Asymptomatic spread in a single person was suspected as early as Jan 30, but that wasn& #39;t peer review published until Mar 5, and it was just one patient. This clarifies why WHO Aylward was cautious about rampant speculations about it being widespread. https://www.nejm.org/doi/full/10.1056/NEJMc2001468">https://www.nejm.org/doi/full/...
CNN is misrepresenting this fact somewhat.