We thank Jay for providing additional detail on the history of the association between tobacco smoking and tuberculosis. In citing one 1956 article1 in support of our statement on the long-standing nature of this issue, we had not intended to imply that this was the earliest occasion on which the possibility of such an association had been raised.
Bates MN, Khalakdina A, Pai M, Smith KR. Smoking and Tuberculosis: Infection, Disease, and Mortality—Reply. Arch Intern Med. 2007;167(18):2009. doi:10.1001/archinte.167.18.2009