Kamran Khan, St. Michael's Hospital (IMAGE) St. Michael's Hospital Caption Rather than screen all immigrants for TB, developed countries with large numbers of newcomers could be more focused and efficient, new research by Dr. Kamran Khan of St. Michael's Hospital in Toronto suggests. Credit Courtesy of St. Michael's Hospital 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.