[meeera]

Originally Posted by Gardenman

I was reading this today and found out I had this very reaction after my first Moderna shot. It's called Covid arm. Mine happened one week after.


https://www.eatthis.com/news-covid-a...e-side-effect/

Or more accurately, a Delayed Large Local Reaction. Here's the original paper most of the press is referring to:

https://www.nejm.org/doi/full/10.1056/NEJMc2102131

The important things to note are to differentiate it from a bacterial infection, and that it's safe to go ahead with a second shot.