Tuberculosis vaccine finds an improved route

A widely used vaccine against tuberculosis has now been shown to provide almost complete protection when injected intravenously. This is a striking improvement over vaccination through the typical intradermal route. by Samuel M. Behar & Chris Sassetti Tuberculosis is the deadliest human infection, killing 1.5 million people in 2018 alone (go.nature.com/2kbuiq). It is widely accepted […]