What has been the latest in research on TB: both in terms of diagnosis and medication?
There have been some advancements in the area of diagnosis: the DNA probe and PCR polymerization have been useful.
Apparently a leading pharma company is testing a drug that is more powerful than rifampicin and has less side effects. We will have to wait for this.

Dr. N. Ravichandran
Dr N Ravichandran, completed his MBBS at Madras Medical College in 1989 and went on to do Diploma in Dermatology and then a Diploma in Child Health. He later did his MD in General Medicine. He has been with Government Hospital of Thoracic Medicine, Tambaram, Chennai a premier government Institution dedicated to the care of TB and of late HIV patients.
Dr Ravichandran areas of special interest is HIV And Antiretroviral Therapy