An article on NPR I listened to said that a recent study found that the virus could live on cardboard for up to 24 hours, and metal surfaces for 72 hours.
However, that was in lab conditions and the consultants they interviewed said real-world conditions would be less than that....still, enough to be worrisome.
The New Coronavirus Can Live On Surfaces For 2-3 Days — Here's How To Clean ThemHow long can the new coronavirus live on a surface, like say, a door handle, after someone infected touches it with dirty fingers? A study out this week finds that the virus can survive on hard surfaces such as plastic and stainless steel for up to 72 hours and on cardboard for up to 24 hours.