ɐ sˈɪmɪlɚ pɹəɡɹˈɛʃən fɹʌm mˌaɪəkɑːɹdˈaɪɾɪs tʊ ˌiːˌɛfˈiː wʌz lˈeɪɾɚɹ əbzˈɜːvd æt dʒˈɑːnz hˈɑːpkɪnz bˌʌt nˈoʊ vɪɹˈɑːlədʒi wʌz dˈʌn.
A similar progression from myocarditis to EFE was later observed at Johns Hopkins but no virology was done.