like Rem40x, i've had both doses of the moderna, almost 4 weeks back (i'm 71). only effect was a knot at injection site for a day or so....kinda reminded me of childhood tetanus vaccines, they producted a similar knot for me.

https://politicalwire.com/2021/02/21/u-s-vaccine-rollout-now-among-best-in-the-world/

"it's a poor sort of memory that only works backwards."
lewis carroll, Alice in Wonderland