Infant fever normal?? HELP PLEASE πŸ™πŸ™πŸ™

amarie β€’ E.🐘 | 21.✨ | ♏️

My 2month old baby had her vaccinations today and she just got a fever of 100.4 & threw up a little.. is this normal I’m a ftm and freaking out i called her pedi on call and he said wait 40 min and take her temp again would you go to the hospital with 100.4 fever after shots and a little throw up?