LO has a fever!

Brittany • Christian Mother , & wife ,baby number two Due march 27th??
Lo go the MMR vaccine today at his 12 month check up and he's up with a fever ! Just have him some Tylenol I'm hoping this will break it ! Out of his whole first year of life this is the first time he's ever gotten a fever ! I'm a new mom , and I'm freaking out . ?