Hi @mcryan. While nothing is 100% safe, it's definitely safer than spending time in a crowded grocery store. I found this article from Consumer Reports that gives some ideas for what you can to do make sure your grocery delivery is as safe as possible:
https://www.consumerreports.org/food-shopping/how-to-protect-yourself-from-coronavirus-when-grocery-shopping/
Best wishes to you and hope you stay well.