Originally Posted by
Stickshift3000
This recent paper from Israel suggests that the duration of covid positivity/infectivity in those that have it ranged from 4 - 45 days (median of 3 weeks)
The relevant question is the maximum period from exposure before a case will test positive. Current thinking appears to be 11 days, based on testing at 11 days and release from quarantine at 14 days if the result is negative.