“…During the influenza pandemic of 1918, a large number of patients had evidence of heart damage on autopsy [ 2 ]. Myocarditis was found in over 50% of patients who died of poliomyelitis infection during the years 1942–1951 [ 3 , 4 ]. Myocarditis has also been associated with outbreaks of mumps [ 5 ], measles [ 6 ], and enterovirus pleurodynia [ 7 ] before 1960.…”