Demographic and Clinical Characteristics of 7 Cases of Symptomatic Myocarditis After Dose 2 of Pfizer-BioNTech COVID-19 Vaccine

Patient 1Patient 2Patient 3Patient 4Patient 5Patient 6Patient 7
Age, y16191718171614
Race or ethnicityWhiteWhiteWhiteWhiteHispanicWhiteWhite
Wt, kg68687169647192
Exposure to COVID-19 in 14 d before illness onsetNoneNoneNoneNoneNoneNoneNone
Time between vaccine dose 2 and symptom onset, d2322432
Total hospital LOS, d6224534
ICU LOS, d4NoneNone4522
Symptoms on presentation
 Chest painPresentPresentPresentPresentPresentPresentPresent
 Other painBilateral arm painMyalgiasBilateral arm pain, numbness, paresthesiaBilateral arm pain, abdominal pain
 Fever38.3°C by historySubjective, chillsSubjectiveSubjective38.3°C by history
 OtherNausea, vomiting, anorexia, headacheWeaknessNauseaNausea, vomiting, anorexia, SOB, palpitationsSOBSOB
  • LOS, length of stay; SOB, shortness of breath; —, not present.