Pharma Giant Pfizer didn’t understand how covid mRNA injections cause the Myocarditis effecting 1/2600 boys. Pfizer called it “rare”, and instead of answering, provided a marketing slogan. As Gerard Rennick exposed their lack of understanding on “the science”, they continually evaded answering, essentially forced to admit they didn’t understand the mechanism by which the vaccine causes myocarditis/ pericarditis. This links with Pfizer admitting: "We don't have a complete understanding of the nat