Got my second Pfizer next week and am in the middle of a very busy time at work and some exams coming up. I didn’t have any effects apart from a slightly sore arm after my first and am now rather apprehensive the second is going to put me out of action for a few days. I know no one can tell me definitively but has anyone sailed through both Pfizer’s without issue or am I doomed to some level of illness next week?