On day 2, my fever never really went above 100, but I felt like I had the flu. Headache, body aches, general garbage that makes you not want to leave the bed. Then 24 hours later, a round of chills in the middle of the night, woke up on the morning with no fever, felt almost 100% besides fatigue. But that was replaced with a horribly swollen arm, looked like there was a baseball underneath my arm. Couldn't move it and it was quite painful. I walked around yesterday like I had a broken arm, couldn't move it with out extreme pain. So weird, it definitely triggered a response from my lymph node under my arm. This morning, almost 80% better. My first shot made me tired for a few days and gave me a pretty intense headache for 6 hours.