The Indian Council of Medical Research (ICMR) launched a trial for two new TB vaccines. This is India's first large-scale trial. This is a large preventive TB vaccine trial. The initiative involves more than 12,000 healthy household contacts of newly diagnosed TB patients from across six states of India are set to be enrolled. Two thousand participants from each of the six states including Delhi, Maharashtra, Odisha, Telangana and Karnataka will enroll over the next seven to eight months. Also, seven main centres will have six sub-sites, where these trials will be conducted.