Free spike proteins in the blood appear to play a role in myocarditis post-COVID mRNA vaccine News-Medical.NetMIS-C has been more common and more severe than previously reported, study finds CBS NewsMIS-C More Common, Severe Than Previously Known, Study Suggests Medpage TodayHigh Levels of Circulating Spike Protein Found in Myocarditis Patients Who Took mRNA COVID-19 Vaccine: Study The Epoch TimesRare MIS-C Does Not Appear to Impact COVID-19 Vaccine Safety in Children Pharmacy TimesView Full Coverage on Google News