My wife got hers the other day. No issues. Second shot in 3-4 months. Was told I can get mine in a few weeks. Other than age I'm not sure why I have to wait as I am diabetic.
I don't have any concerns with getting the shot. I have had so many vaccinations during my life that have me asking, "What's one more?" I received stuff as a kid in the early 70's prior to moving to Turkey then during my 26 years career in the Canadian Armed Forces. I think the quality controls today, even wrt the Covid vaccine, are much better than they were in 1972 regarding manufacturing etc.
I was a Medic my entire career, the square needle treatment was reserved for guys who pizzed off the Medics LOL. Did Cornwallis in Sept-Nov 79. Needle parade then brutal PT sucked!
Jeff