> As viruses can remain active on surfaces, unless you irradiate the deliveries with a UV lamp (and do it again after unboxing them, since there may be viruses on the actual item) even that would not be enough.

Cases of COVID-19 spreading through fomites (particles on a surface) are extremely rare[1][2] and COVID-19 has a short lifespan on cardboard[3]. Just leaving deliveries somewhere for a day is probably enough to stop transmission.

[1] https://pubmed.ncbi.nlm.nih.gov/34136133/

[2] https://www.nature.com/articles/s41598-021-95479-5

[3] https://www.sciencealert.com/how-long-does-coronavirus-last-...

> Similarly, on cardboard, no viable SARS-CoV-2 particles could be found after 24 hours, or SARS-CoV-1 after eight.