Hello ? Something strange is happening with my child after vaccinatio…

Hello ? Something strange is happening with my child after vaccination. For two days, there was a fever, he was like a vegetable, the temperature would jump up in an instant, I was scared and he was trembling all the time. Today was a terrible day. He slept from 8 am to 9:17 am, woke up fine, then fed him and went to sleep at noon, he slept for 40 minutes, played outside, cried often, then started rubbing his eyes in the evening, scratching, I put him down in the beginning of 4, almost fell asleep for 4 hours, and he didn't sleep anymore, although he usually sleeps until 5 or until half 6, and in