Myocarditis post-vaccination; should we be concerned?

Israel was the canary in the coal mine, the first country to signal a concerning spike in cases of myocarditis (inflamed heart muscle). 

Early data suggested myocarditis was occurring more commonly in younger men (16-19 years), particular after the second dose, at a rate of 1 in 6600.

The US CDC tried to douse the flames. According to its monitoring syste…