Adding my anecdata: I’m a male in my mid-20’s, am decently fit with a slower-than-average heart rate, and have a benign congenital heart condition. First shot w

Adding my anecdata: I’m a male in my mid-20’s, am decently fit with a slower-than-average heart rate, and have a benign congenital heart condition. First shot was fine apart from a sore arm, second shot forced me to take a day off. Smooth sailing since then, but occasionally do notice palpitations, which I chalk up to stress, but I’d be lying if I said this didn’t make me a bit weary.