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Myocarditis and Pfizer/Biontech bnt162b2 Vaccine Relationship or Coincidence?

Enrique Arturo Lombana Salas

Background: Myocarditis is an inflammation of the cardiac muscle, myocardium, characterized by inflammatory infiltrates and myocardial injury without ischemic cause. Being the viral etiology the main cause. Pfizer’s BNT162b2 vaccine is a formulated lipid nanoparticle that encodes the full-length peak of SARS-CoV-2 Methodology: A narrative review was carried out through various databases from January 2010 to June 2021; the search and selection of articles was carried out in journals indexed in Spanish and English. The following were used as keywords: Myocarditis, Covid-19, BNT162b2, Pfizer. Results: There is a close relationship between the developments of myocarditis after vaccination with Pfizer / BioNTech BNT162b2, as evidenced in different clinical case reports. Taking into account that the comorbidities present in patients can influence its development. Conclusions: The present review offers a relationship between the developments of myocarditis after the PfizerBioNTech BNT162b2 vaccination, as its cause.