Should we wash our shopping? Wear a mask to the shops? Use a lift? Well, what do the scientists do?

© Andrea Merola/EPA-EFE/ShutterstockA masked waiter serves customers at the historic Cafe                Florian in Venice, Italy, on Friday as the world continues taking the first tentative steps out of lockdown
A masked waiter serves customers at the historic Cafe Florian in Venice, Italy, on Friday as the world continues taking the first tentative steps out of lockdown