Q Team:
She had a rare blood disorder. Just like the child with a rare brain disorder. All this rareness is not so rare; logical thinking, it is a form of plausible deniability. Give her 3 vaccines + a rare blood disorder, and who the hell could have known, it's rare. Knowingly. I can give you things to try if you contact me, homeopathic. Make sure to watch this patient for further attacks. This is more common than you realize, most will not make noise out of fear of retribution from the hospital staff.