written reports, including local media accounts, professional medical papers and internal emails were also examined. . .
the outbreak killed 20 and sickened 577 people between november 2016 and october 2017. .
derek and his wife, michelle, have three boys, ages 11, 16 and 17. .
embolization “cuts off the blood supply to a certain part of the body,” according to the national institutes of health. .