About 20 hours on from my first dose, and so far the only side effects I’ve had have been a) I felt tired last night so I went to bed a little early, and b) today my arm hurts like someone gave it a hard whack with a baseball bat. But this is a lot better than I usually feel after a flu vaccine, for example. I have read that the second dose can hit a little harder than the first, but overall I’m feeling fortunate πŸ˜…