Kevin Schwartzman, McGill University (IMAGE) McGill University Health Centre Caption 'The background rate of TB in North American communities is much lower today than it was 25 years ago when there were epidemics of TB in cities across the United States. As such, the risk of healthcare workers being exposed and infected at work is also much lower,' says the study's corresponding author Dr. Kevin Schwartzman, Director of the Respiratory Division at the MUHC and a professor of medicine at McGill University. Credit McGill University Health Centre 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.