Argentine scientists identified 55 chemical elements — not listed on package inserts — in a study of the six major COVID-19 vaccine brands. The research, which confirms previous studies, sparked calls for transparency and further investigation.

https://childrenshealthdefense.org/defender/undeclared-chemicals-heavy-metals-covid-vaccines/?

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At Least 55 Undeclared Chemical Elements Found in COVID-19 Vaccines from AstraZeneca, CanSino, Moderna, Pfizer, Sinopharm and Sputnik V, with Precise ICP-MS

https://ijvtpr.com/index.php/IJVTPR/article/view/111

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Man says he has been ‘left to rot’ after Covid vaccine

https://www.bbc.com/news/articles/c0kj1pmr7jdo