I have a confession. I accidentally became one of those odd people obsessed with zoflora. I have many many bottles of it. 
The problem is, since starting to use it about 6 months ago, I am sure I have been unwell more often and much more severely. I have had four or five vicious illnesses in that time, during which I have been laid up for days on end. I currently have pneumonia and bronchitis, which I have never had before.
I thought I was getting rid of nasty germs, but I think I have just been knocking out the weaker ones and allowing the stronger ones to thrive. Or is that nonsense?
I have also noticed that the way viruses are passing between dd and I has changed. Usually she would get a cold, i would catch it from her and have a similar period of illness. Now she gets it, then a few days later I catch it and am much worse.
Am I mad to blame the zoflora? Something is different this year and that is the only thing I think it could be. AIBU to chuck out all the zoflora and just use washing up liquid to clean instead?