[Flaming Conservative]

If this were true, then ALL vaccines administered without aspiration would cause myocarditis.

[FR_addict]

“If this were true, then all vaccines administered without aspiration would cause myocarditis.”

No, just the ones that hit a blood vessel. It's evidently not real common in the shoulder muscle, but it does happen.

[Fitzy_888]

“ If this were true, then ALL vaccines administered without aspiration would cause myocarditis.”

No…only vaccines that produce spike proteins, which is no vaccines ever prior to these.