Symptoms and Spread of Tuberculosis

Learn the common symptoms of pulmonary tuberculosis, and how the bacteria usually spreads from person-to-person. Get the Rishi is a pediatric infectious disease physician and works at Khan Academy. These videos do not provide medical advice and are for informational purposes only. The videos are not intended to be a substitute for professional medical advice, diagnosis or treatment. Always seek the advice of a qualified health provider with any questions you may have regarding a medical condition. N