| 
      Treatment was initiated two weeks after infection at Day 0 and was administered
    for 16 weeks.
        |  | No. of mice to    be sacrificed at the following time points |  
        | Day  -13 | Day 0 | Wk 1 | Wk 2 | Wk 4 | Wk 8 | Wk 16 | Total |  
        | Control Regimens |  
        | Untreated | 10 | 10 | 5 | 5 | 5 | 5 | 5 | 45 |  
        | RIF |  |  | 5 | 5 | 5 | 5 | 5 | 25 |  
        | INH |  |  | 5 | 5 | 5 | 5 | 5 | 25 |  
        | PZA |  |  | 5 | 5 | 5 | 5 | 5 | 25 |  
        | RIF+INH |  |  | 5 | 5 | 5 | 5 | 5 | 25 |  
        | Test Regimens |  
        | RIF+PZA |  |  | 5 | 5 | 5 | 5 | 5 | 25 |  
        | INH+PZA |  |  | 5 | 5 | 5 | 5 | 5 | 25 |  
        | RIF+INH+PZA |  |  | 5 | 5 | 5 | 5 | 5 | 25 |  
        | Total Mice | 10 | 10 | 40 | 40 | 40 | 40 | 40 | 220 |  |