 [ Symptoms ] me1yr old got the chicken pox vaccine 2wks ago and developed a rash on her belly n face 2days ago is that normal [ Disease ] i can not see the rash to offer you a patient specific answer but those one year old vaccines are live vaccines with a two week incubation period so it is common for the chicken pox and the measles mumps rubella mmr vaccine to cause a mild rash if this is related to the vaccine then there is really nothing that needs to be done it will resolve on its own in a few days keep in mind however that there are hundreds of other things that can cause a rash