TABLE 4.
Country contribution to cross-border clusters#
| Country | RR/MDR-TB cases in cluster n | Percentage among clustered isolates | Percentage of clustered RR/MDR-TB cases among submitted ones¶ |
| Austria | 9 | 2.8 | 36.0 |
| Belgium | 5 | 1.6 | 26.3 |
| Bulgaria | 6 | 1.9 | 9.2 |
| Croatia | 0 | – | – |
| Czech Republic | 6 | 1.9 | 24.0 |
| Denmark | 0 | – | – |
| Estonia | 5 | 1.6 | 7.6 |
| Finland | 2 | 0.6 | 22.2 |
| France | 11 | 3.5 | 11.1 |
| Germany | 40 | 12.7 | 16.3 |
| Hungary | 2 | 0.6 | 9.1 |
| Ireland | 3 | 0.9 | 13.0 |
| Italy | 38 | 12.0 | 29.9 |
| Latvia | 3 | 0.9 | 3.5 |
| Lithuania | 43 | 13.6 | 24.0 |
| Netherland | 5 | 1.6 | 20.8 |
| Norway | 1 | 0.3 | 10 |
| Poland | 7 | 2.2 | 7.1 |
| Portugal | 0 | – | – |
| Romania | 101 | 32.0 | 11.7 |
| Slovakia | 2 | 0.6 | 25.0 |
| Slovenia | 0 | – | – |
| Spain | 9 | 2.8 | 13.6 |
| Sweden | 8 | 2.5 | 32.0 |
| UK | 10 | 3.2 | 12.3 |
| Total | 316 | 100 | 14.3 |
RR: rifampicin resistant; MDR: multidrug resistant; TB: tuberculosis. #: a cross-border cluster is defined as two or more RR/MDR Mycobacterium tuberculosis complex isolates having a single nucleotide polymorphism difference ≤5, and isolated in at least two different countries; ¶: n=2217.