How does 7 days work? I thought you had to wait 14???
I'm in NZ, just settling in for 4 weeks of not leaving my property (not quite as bad as it sounds, we have a big field).
Current rules are that if you start having symptoms you isolate for 7 days, and everyone else in the household does so for 14 days.
The thinking (wishful thinking IMHO) is that since the virus is spreadable before the symptoms start, the rest of the household who may have picked it up from you, will be kept at home during their infectious but asymptomatic period.
Apparently (again, wishful thinking IMHO) is that after a week, even if you still have a few symptoms, the virus is no longer shedding, or is shedding very little, and you are therefore much less infectious than you were before the symptoms and for those first 7 days.
In reality, now that we are in Lockdown, we should ALL be isolated. No one should be leaving their houses unless they have no symptoms, or are out of the 7/14 day isolation period, and then only for the very few reasons allowed (supplies, medical emergency, some types of work and exercise once a day). People who are 'Shielding' will be using additional isolation rules for 12 weeks.
