Actually, there are some very good anti-bark collars out there for around $50.00. They do work. You could put it on your dog when you are home (and apt to sneeze).
If the barking at sneezes habit is broken for a short period (a week or so) he probably won't do it anymore. If he starts again go back to the collar. Basically, you have to find a way to let him "spank himself" so he doesn't really relate it to you.
Actions have consequences. The other alternative is a coke or beer can with a handful of coins in it. Duct tape the end closed.
Here's the tricky part. When you sneeze, have someone else, preferably out of the dog's sight lob the can very near the dog. It will make a lot of noise and he won't like it.
The key is consistency.
It thinks you are getting sick. Try making it understand that you are not seriously ill.
If you give the command "no bark" I'm sure you've already sneezed so not sure if that would help much.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.