31.1%
You said kids have less than a 1 in 1000 chance to get the virus. 16,797 kids under 18 have tested positive in Florida. For your statement of 1 in 1000 chance to get the virus to be correct, that means 16,797,000 tests would have been done on kids under 18 so far in Florida alone. That is almost 17 million. To put this in perspective, the entire US has done ~ 45 million tests so far.
You are full of it.