Let’s try to keep discussion to facts, not fears.
It was published by the New York Times which is not a hysterical source.
From the linked article:
Washington State has declared a state of emergency over the coronavirus, and researchers who studied two cases there say that the virus may have been spreading for weeks, with the possibility that up to 1,500 people may have been infected.
I’m taking this situation very seriously fwiw and agree with the assessment that there are a lot more cases than reported, and my personal feeling is that we’re two steps behind here in the US.