From what I understand, the first shot isn't coming with many side effects for the multiple dose vaccines, right? It's primarily the second shot?
Appointment for April 3rd secured for Pfizer.
That's my understanding as well, unless you already had COVID. Your white blood cells don't recognize the protein strands as a threat at first and just clean up like usual. By the second shot, the white blood cells recognize it as an invasion and cause your body to induce a fever to speed up heart rate and blood production to deal with it faster.