I believe most people stay on the protocol for at least 6 months past feeling well depending on their circumstances. Personally for me, when I do get to that place of healing, I may just stay on a few of them longer.
Also a large component of this is your immune system being strong enough to keep these infections in a dormant state. We've got to get our immune systems strong.
And here is information on detoxing.
www.tiredoflyme.com/detox-methods.html