Fomite spread has definitely been confirmed. It's a low-probability scenario but not impossible--worth paying attention to if you have done a lot about the airborne vector, not worth looking at if you're not.
It doesn't last very long out in the open--but it can last longer sealed up and longer still on cold products.
https://www.ndtv.com/world-news/coronavirus-china-disinfects...
Also packages contain cardboard which is often host to roaches and other plague spreaders, but we both know you were referring to a specific virus.