A Cook County jury awarded more than $50 million to the family of a child Tuesday who sustained a “severe and permanent” brain injury due to a lack of oxygen to his organs when he was born.The verdict was reached after an 11-day trial before Circuit Judge Kay M. Hanlon.The $50.3 million verdict is the third highest reported Illinois medical-malpractice verdict and the second highest reported Illinois birth injury verdict, according to John R. Kirkton, editor of the Jury Verdict Reporter, a Law Bulletin Media …