Which one of the following antimicrobial drugs is suitable for treatment of both tuberculosis and leprosy?
Isoniazid
$R-$ aminosalicylic acid
Streptomycin
Rifampicin
Which of the following will be curable in next two decades
Gouts, a painful disorder of joints is due to
Antigen binds to antibody. The binding is result of
Schuffner's dots are related to
When the children without $T-$ cells and $B-$ cells are kept in germ free isolation suits, then the disease is