You can be exposed while being responsible. An innocent trip to the grocery store may result in your hand touching a cart with virus on it. Then you adjust your

You can be exposed while being responsible. An innocent trip to the grocery store may result in your hand touching a cart with virus on it. Then you adjust your face mask, hand to mouth. Or touch a food delivery package with virus on it, then hand to mouth. Unless you are really taking isolation procedures seriously, with wipe downs, gloves, etc.