How it felt to receive my COVID-19 vaccine — and what happened next. So, on January 3rd, I strode into our hospital employee vaccination clinic and almost cried with joy as I got my jab of the Moderna vaccine. Yes, I felt yucky the following day: headache, body aches, fatigue. These mild, flulike symptoms are common after many immunizations. Rated 4.0 out of 5 stars. (57) Author: Liz England: Made with: Twine: Tags: Horror, Short, Twine.