I wonder what physician's offices are doing to address this potential problem in their waiting rooms? The exam rooms can be "isolated" if needed ( year, after 5 days worth of patients have come and gone before the hitch hikers are noted) but not so the waiting rooms.
Bring back DDT... at least we know the risks now compared to all the new and improved stuff..... :shock: :shock: :shock:
(the above said in jest)