As a physician in Ethiopia years ago, Dr Alemnew Dagnew witnessed the devastating impact of pulmonary TB on communities. The only available TB vaccine, BCG, was developed in 1921 and only protects babies and young children. This will be the first TB vaccine in 100 years. He spoke to the Star’s John MuchangiWhy, over the past 100 years, has there been such little progress in developing an effective vaccine for pulmonary TB? We will have the final analysis when we accrue 110 events of pulmonary TB.
