Unfortunately, they've already clarified that the 12 weeks is universal not personal i.e. it will end 12 weeks after it was introduced... although it may well be extended for non essential workers who are not permitted to return to work, possibly at a substantially reduced rate. Of course, nothing is set in stone so, conversely, it may be terminated earlier for workers like us who are permitted to work. Leo indicated that he will be passing on advice regarding face coverings where the physical distance aspect of social distancing cannot be maintained e.g. for public transport.