RFLP ribotyping of HindIII digests. The numbers on the left indicate sizes (in base pairs). Lane 1, Italian isolate 01A; lane 2, Spanish isolate 3265; lane 3, Spanish isolate 00/5069; lane 4, French isolate 7898/98; lane 5, French isolate 1966/00; lane 6, French isolate 2130/00; lane 7, French isolate 3032/01; lane 8, French isolate 378; lane 9, French isolate 379; lane 10, French isolate 297; lane 11, French isolate 2442/03.