Well, the plus side is since your symptoms started more than ten days ago your about over it.
Opps looks like you might have given it to the wife, but don't tell her that.
Kids have an extremely low infection rate. If they due test positive usually no problems unless they have pre-existing conditions.
Yes, you can test positive after having it for up to 90 days.
Make sure work and unit get a copy of your positive test or the county health officer's letter you'll both be getting in the mail soon.