That's very good advice...but some of us seniors are not really modern...my cell phone is probably 10 years old...no apps nothing like that...I wouldn't know how to order uber, or home delivery...hell...I don't even order pizza delivery... go get it instead...Contract-labor companies should be working with state unemployment offices to confirm temporary lay-offs.
Anyone who should avoid public spaces might investigate shop-from-home services or the pick-up-at-store options for retailers. This eliminates or at least minimizes your exposure to large numbers of strangers, and professional shoppers are now being instructed to wear gloves as they work. Look up the food store/box store/retailer you want to use and look for the online shopping option of their website (you may be redirected to an instacart or shipt type of service).
For home delivery services, you can choose to have your purchases left on your doorstep.