Vaccine Inflammation of the Heart Muscle

No.13567851 ViewReplyOriginalReport
Whats that? Heart Inflammation wasn't a conspiracy theory all along?
>https://www.gov.uk/government/publications/covid-19-vaccination-of-children-and-young-people-aged-12-to-17-years-jcvi-statement/jvci-statement-on-covid-19-vaccination-of-children-and-young-people-aged-12-to-17-years-15-july-2021

>"There are emerging reports from the UK and other countries of rare but serious adverse events, including myocarditis (inflammation of the heart muscle) and pericarditis (inflammation of the membrane around the heart), following the use of Pfizer-BioNTech BNT162b2 and Moderna mRNA-1273 vaccines in younger adults."

Remind me again why we have Standards used to measure long term effects of Vacines.