[Black Agnes]

At this point I’d just assume that.

There’s ample video of the chicoms sanitizing train stations, airplanes and residential streets.

[Paul R.]

Interesting link here, as 2019-nCoV is almost like an extra nasty cold virus:

http://jamaicahospital.org/newsletter/how-long-can-viruses-live-outside-the-body/

Note that the common cold virus can survive on an indoor surface for a week, but capability of infection is low after 24 hours.

However... The article also notes that viruses tend to live longer on cool surfaces, so further retention of significant communicability in cool conditions might not be unusual at all.