https://kirschsubstack.com/p/us-data-shows-covid-vaccinated-kids
"Secondly, a new FOIA response in New Zealand shows nearly a stunning 5X increase in cardiac-related ER visits in those under age 40 after the COVID shots rolled out from 4406 in 2020 to 21416 in the first full year after the shots rolled out. That's a Z-score of 256 which means something very serious is causing this; it is in no way a statistical fluke..."