I did not know about the screening for coronavirus being ineffective. A 35 y/o guy at work died from the flu a little over a week ago (Denver). If it was coronavirus, they'd know, wouldn't they?
As for the man in Denver, it would be very unlikely to be COVID. There is some evidence starting to emerge currently of transmission now occurring in the US, but it’s still very early and concentrated to where you might expect. It takes a while for coronavirus to kill (about 7-14 days after symptoms appear), and so if this dude was sick with it, he would almost certainly have to have had either traveled out of the country (to China), or been close with someone who had. That is something any competent medical staff will ask, and if it were the case, they could send samples to be tested to the CDC.
It may be possible moving forward that if community transmission starts spreading here in the US, things could start slipping through the cracks, but at this point it’s highly unlikely that anyone in Colorado who died a week ago was sick with COVID