How does all this "home delivery" thing work, whether it's food from pubs, or supermarkets? With the elderly self-isolating, they are less likely to carry the virus than the pub or shopworkers who will be delivering. Can the virus not live on the containers, or what? How long before it is safe to pick something up off your step (assuming it hasn't already been nicked? Should we be wearing gloves to take things from shelves in shops and using the checkouts? I am, at tjhe moment but it seems very hit and miss from the shelf-stackers.