DS (2.8) contrated Chicken Pox on Thu pm (4 days ago). He is pretty much covered including mouth, genitals, ears. His temperature is back to normal and most spots have blistered and now scabed however he has what look like very deep blisters on soles of his feet (also has some on hands but those seem to be about to burst). Otherwise he is getting back to normal (except looks awful). Anyone have experince of foot blisters and how long thay take to come out, if at all?