Dr. Jeffrey Pernica (IMAGE) McMaster University Caption Associate professor of pediatrics of McMaster's Michael G. DeGroote School of Medicine and an infectious disease pediatrician for Hamilton Health Sciences Credit McMaster University Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.