Delivery Route Matters for TB Vaccination (image) University of Pittsburgh Share Print E-Mail Caption 3D PET CT scans of monkey lungs showing inflammation (red and yellow) from TB infection. The top row were vaccinated the usual way with a shot into the skin The bottom row received the vaccine intravenously. Credit JoAnne Flynn, Ph.D., Alexander White, Pauline Maiello, and Mario Roederer, Ph.D. Usage Restrictions Release is embargoed until 1 p.m., Wed., Jan. 1 Share Print E-Mail 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.