cohorts

4 people in a group. Each person can select four others. That makes a group of 20 people who can visit each other freely. If any one of these people is symptomatic then the whole cohort has to isolate /quarantine for 14 days. If symptomatic person tests negative then cohort can be released from quarantine. Online register. A lot of self policing but relies on honesty. Reducing numbers of covid in community could result in increasing cohort size and vice versa. Scot gov just needs to message : Go to 4, 20, 80 cohost structure in serponse to infection rates locally.

inmroves social interaction without significantly increasing infection risk.