Typically, heart attacks and other cardiac issues which require rapid electrical stimulation of the heart in children are rare.
in News
Tens of Thousands of Defibrillators Being Installed in UK Children's Schools (rairfoundation.com)

This is really interesting as the town I live in, in the UK has had a defibrillator point placed on the high street recently which I found curious to say the least.
I wonder why!…
I have no clue..I just know it’s not because of any side effects of of any of those very safe and effective vaccines! (sarc)
A world with sick children! where is this going? Is humanity being quietly replaced?
I live in Switzerland, and now in my city we have a 3 month children’s event with a big tent in the shape of a spaceship literally named “UFO are coming” !