[chedca21]

And young male athletes with the greatest development of blood supply in the deltoid represent the most common demographic affected by acute cardiovascular injury post vaccine. Coincidence?

The vaccines were not built to be aspirated, once the plunger is up they can not be reset. It represents a fundamental lapse in standard harm reduction.

Also "wait 15 mins to see if emergency care is needed" could well have been replaced by allergy screening given before the injection. Many thousands of cases of anaphylaxis from the shot have been documented some of which were fatal, all avoidable with allergy screening which is practically free.

[AnthonBerg]

I have asked for aspiration when I was vaccinated, all four times. I’ve had Pfizer and Moderna. It was no problem.

There exist syringes which the injection cannot be aspirated with, but those weren’t used when I was being vaccinated.

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Strong agreement on the concern about deltoid vasculature.

(I have direct, lived experience with someone at risk of death from a substance going into a capillary which was supposed to stay under the skin on injection. It happens. It’s real. Some doctors will claim it’s “impossible”, which is obviously false when you look into it. The datasheet that came with the injector needles even state that they’re “over 99.5 accurate in delivering a subcutaneous injection”. I forget the exact phrasing. It means that statistically, 1 in 200 injections tends to go into a capillary.)

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Also, it’s interesting to look into the reasons why aspiration was removed from standard practice. In a nutshell, it’s because of two things:

1: Some syringes exist which cannot be aspirated with.

2: Aspiration can be painful for infants and is tricky to perform because they are small and they struggle.

These are the reasons why aspiration was essentially removed from clinical practice. Really. Those are the reasons. It doesn’t make any sense. It’s obviously harmful that aspiration was stopped.

The papers the grandparent post links to are good.