Sister got her shot in Canada 2 days ago. I asked today if she had any reactions, she the arm she didn’t get the shot in hurts terrible.
I was checking to see if that is one of the reactions to the shot.
Found this.
Delayed Large Local Reactions to mRNA-1273 Vaccine against SARS-CoV-2 | NEJM
Baden et al. 1 report on a phase 3 clinical trial of the mRNA-1273 vaccine against SARS-CoV-2, and they provide information on immediate injection-site reactions, which were observed in 84.2% of ...
https://www.nejm.org/doi/full/10.1056/NEJMc2102131
Click on pictures of arms that have had the shot.
Still looking for answer to opposite arm pain.