New Zealand Food Safety (MPI) has provided a scientific opinion on the likelihood of COVID-19 transmission through Food Packaging. The opinion contains:
New Zealand Food Safety Scientific Opinion on Covid-19 transmission through food packaging
The opinion concludes that:
Based on the available scientific evidence, the risk of COVID-19 transmission by food or food packaging is still considered negligible and does not warrant application of specific risk measures.
You can download the full opinion here.