Tuberculosis(TB) has claimed 1.8 million human lives globally according to World Health Organization, in 2015. Despite Bacillus Calmette-Guerin (BCG) vaccine, the only available vaccine for TB, currently one-third of the world is latently infected with TB due to the incompetence of BCG in adults against Mycobacterium tuberculosis, the bacteria responsible for TB.
Refinery wastewater flowing through sand produced biofilms of pollutant-eating bacteria which inturn removed the harmful compounds from the water