1. Tuberculosis and Related Infections Unit, MRC Clinical Sciences Centre,1 and
2. Leprosy Division, Department of Communicable Disease Control, Ministry of Public Health, Bangkok, Thailand2; and
3. Department of Immunology, Royal Postgraduate Medical School,3 Hammersmith Hospital, London W12, United Kingdom;
4. INSERM U 396, Immunogénétique Humaine, Centre HAYEM, Hôpital Saint-Louis, 75010 Paris, France4