Richard and I had our COVID booster shots on Friday afternoon. This was my third Moderna shot; Richard had had the one-shot Janssen vaccine so he opted this time for Moderna. The pharmacist at CVS said the dose was half of the regular Modern. She also said that some people had experienced a reaction of sore arm, fever, fatigue, etc., and some hadn't had anything. Richard didn't have any reaction to the shot. I started feeling feverish, achey and just all around flu-ey in the middle of the night on Friday. Spent Saturday on the couch and in bed, alternately shivering and sweating. I am better today but still so tired! Curious as to why I was so sick and R had nothing more than a sore arm, I Google'd "Why some people have side effects...." The article had lots of medical jargon in it but, basically, the fact that I had side effects means that my immune system was working harder than R's was. (Some may argue with this, but it works for me.) Apparently, it's u...