https://www.sciencedirect.com/science/article/abs/pii/S00123...
Post-vaccination myositis and myocarditis in a previously healthy male
https://aacijournal.biomedcentral.com/articles/10.1186/s1322...
Takotsubo cardiomyopathy after anti-influenza vaccination: catecholaminergic effects of immune system
https://www.ajemjournal.com/article/S0735-6757(13)00416-6/fu...
Acute Fulminant Myocarditis Following Influenza Vaccination Requiring Extracorporeal Membrane Oxygenation
(and influenza isn't a novel virus and everyone will have already had their immune systems 'tested' by influenza antigen early in their life)
https://www.sciencedirect.com/science/article/abs/pii/S00123...
Post-vaccination myositis and myocarditis in a previously healthy male
https://aacijournal.biomedcentral.com/articles/10.1186/s1322...
Takotsubo cardiomyopathy after anti-influenza vaccination: catecholaminergic effects of immune system
https://www.ajemjournal.com/article/S0735-6757(13)00416-6/fu...
Acute Fulminant Myocarditis Following Influenza Vaccination Requiring Extracorporeal Membrane Oxygenation
https://www.ajemjournal.com/article/S0735-6757(13)00416-6/fu...
(and influenza isn't a novel virus and everyone will have already had their immune systems 'tested' by influenza antigen early in their life)