Wife and I have not been tested for antibodies, but the wife and I both have lost our sense of smell and most of our sense of taste for a couple weeks before taking the vaccine. We still haven't recovered either.Maybe you have already had Covid and didn't know it. Neurosurgeon told us that he had such a reaction after the first shot that he thinks he had already had it and wasn't even aware of it. @Okie4570 tested positive for the antibodies and never even knew he had it. Numerous people, including doctors, have told us to expect much greater reaction to the second dose. Our daughter had nothing but a bit of a sore arm after the first dose. After the second one, she started developing symptoms about eleven hours later. She got the shot about 8:30AM and started showing symptoms about 7:30 that evening. She had a low grade fever (99.7) throughout the night and terrible body aches. Next morning, add neck pain and a terrible headache. She said about Noon time, it was almost like somebody flipped a switch and she started feeling much better.
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Wife suffered zero response but a one day sore arm. My reaction was much more severe as listed.
Not looking forward to the second dose.