| Few amino acid positions in rpoB are associated with most of the rifampin resistance in Mycobacterium tuberculosis Recent countries visiting this post |  |
 | 5 | United States |
 | 1 | Russian Federation |
| Few amino acid positions in rpoB are associated with most of the rifampin resistance in Mycobacterium tuberculosis Recent countries visiting this post | |
| 5 | United States |
| 1 | Russian Federation |