Nat. Med. 11 Suppl 4, S33–S44

The sentence “In South Africa, more than 10% of the 40 million inhabitants are infected with HIV and more than 5% suffer from active tuberculosis” should read “more than 0.5% suffer from active tuberculosis.”

In Table 2, line 3 should read “Clinical phase 1 trial in BCG-vaccinated and unvaccinated healthy uninfected volunteers completed”.