Hello there we understand your feeling and your condition too. And we also understand your concern towards your wife. You need to know that chickhen pox is a self regressing and would go down in a week. And since it has been 25 days it might not be a risk to have intercousre with your wife. Do not worry about it we underetand your concern towards your wife. But it is how it works. Before that you need to take her to a doctor and get her evaluated your doubt will be cleared and she will e clean if nothing is positive. Thank you