Harvard Med research on mRNA vax spike protein undermines fact-checkers, COVID censorship "The spike antigen itself ... may contribute to myocarditis" in some adolescents and young adults, says study in American Heart Association journal. Fact-checkers and Big Tech lost another round with purported COVID-19 misinformation this week, when an American Heart Association journal published research suggesting the spike protein used in mRNA vaccines can harm some people. The peer-reviewed study in Circulation reviewed 16 adolescents and young adults hospitalized at Massachusetts General Hospital or Boston Children's with post-vaccination myocarditis from January 2021-February 2022. All had "markedly elevated levels of full-length...