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I still think the main issue is surfaces that are used a lot. Handrails, seats, door knobs, etc. etc.: it doesn't matter if you keep 10m distance to the next person to go through a door if you touch the same surfaces within seconds or minutes of each other.
This doesn't have to be a main issue - and shouldn't be. It's why hygiene is important. As individuals we can mitigate these risks ourselves.
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I disagree, it's just not realistic to expect individual 'hygiene' to solve that problem. It is extremely difficult to avoid touching other things with your hands, even when you try to be conscious about it, and there are many many ways it could end up infecting you. The priority most definitely has to be on limiting the number of 'shared' surfaces you have to touch in the first place.
Contactless payment, btw, is super helpful with this. You don't have to touch any money, you don't even have to touch the number keys on the card machine. Ideal for pandemic times.
SwissChap
So two things on that: on the one hand, you are of course correct on the face of it. However, it is worth remembering that my risk of getting infected just from walking past someone who isn't coughing in my general direction is really small, even if they are indeed positive. I still think the main issue is surfaces that are used a lot. Handrails, seats, door knobs, etc. etc.: it doesn't matter if you keep 10m distance to the next person to go through a door if you touch the same surfaces within seconds or minutes of each other.
Also secondly, I think they should declare all roads that aren't main roads pedestrian zones for the moment (with people living there allowed to drive through at say 10mph max). Imagine how nicely spaced out everybody could get about if we actually used the huge amount of road area that is currently mostly unused (see here).