Put your thinking cap on...QUICK!
Comparing flights with medical issues is apples and oranges.
Which MEDICAL procedure has 99%+ success rate?
You can shove that vaxx up your butt. There is no lie you can say that will change anyone’s mind.
Which MEDICAL procedure has 99%+ success rate?
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Almost all.
You’re going to have to differentiate between heart replacement surgery and setting a broken bone for one. But most surgeries don’t kill 1 in a 100.