Sweden, Nov. 27 -- When tuberculosis (TB) is preventable and curable, is it not shocking that it still remains the biggest-killer-infectious-disease worldwide? According to the latest WHO Global TB Report 2019, 1.5 million people died of TB last year, and between 1.5 to 2 billion people are infected with latent TB. Only a very small part of this latent TB infected population will progress to active TB disease. Latent TB infection is also preventable and treatable, significantly reducing risk of progressing to active TB disease. But the grim reality is that progress on addressing latent TB pool is dismal.

"TB is a disease that can be prevented and treated. So there is not much excuse, as we can do much better. We know that TB preventive the...