First of all I just want to say that you are absolutley a wonderful husband for being so concerned about her and WANTING to help. Most of us here are not that lucky.
The best advice I can give is try to keep her mind off of it (which is easier said than done - trust me, I know). If any of your other children haven't been sick by now they probably won't be. Everyone in your house needs to be as clean as possible and wash your hand constantly. Eat in the kitchen, it is alright. As long as where he got sick and the surrounding areas have been cleaned VERY WELL, you have nothing to worry about. I am also on Zoloft and Xanax and it has REALLY helped with my Emet and the pills are really small. She is reacting like a "normal emet" (cliche, isn't it?) so make sure you continue to be there for her cause above all else support is what us emets need! Good luck and let us know how she is doing!
I CAN get through this! ♥Melanie♥