Actually based on official leading Irish virologist advising that CORVID-19 risk is trivial unless you are within 1 metre of an affected person for 15 mins or more. (Subject to change at a later date, of course)
CHINESE EXPERTS; "IT SPREADS ON AIR, DOOR-HANDLES, LIFT BUTTONS, TABLES, HANDS, TOILETS, SEWERS..."; IRISH EXPERTS; "AH SURE JUST STAY 1 METRE APART AND YOU'LL BE GRAND."