I'm not talking about whether to stay indoors or not. I'm talking about the precautions one should take in public spaces. I still need to go shopping but whilst

I'm not talking about whether to stay indoors or not. I'm talking about the precautions one should take in public spaces. I still need to go shopping but whilst there I'm going to assume all surfaces are potentially contaminated. Likewise groceries, parcels and deliveries either go into quarantine for 2 or 3 days or they are washed.