Despite nearly a century of use, the Bacille Calmette-Guérin (BCG) vaccine for tuberculosis continues to be controversial, with known variations in BCG substrains and vaccine efficacy. This paper describes the BCG World Atalas, a searchable, online, open access database of global BCG vaccination policy and practices.
Zwerling, A.; Behr, M.A.; Verma, A.; Brewer, T.F.; Menzies, D.; Pai, M. The BCG World Atlas: A Database of Global BCG Vaccination Policies and Practices. PLoS Medicine (2011) 8 (3) e1001012. [DOI: 10.1371/journal.pmed.1001012]