MMR vaccine and Fever

All babies need to receive MMR vaccine at 12 months old. This is a combination vaccine for Measles, Mumps and Rubella. Normally, the post vaccination fever occurs on the first 2 days after vaccination. However, this particulat vaccine cause fever from day 7 to day 12 after vaccination. Although this only occurs in 5-15% of cases, the parents need to know this statistic so as not to get worry should the fever does occur.