Volume 17, Number 12—December 2011
Letter
Humans as Source of Mycobacterium tuberculosis Infection in Cattle, Spain
Table
Relevant information about Mycobacterium tuberculosis infection in 3 cattle farms in Spain*
| Variable | Farm 1 | Farm 2 | Farm 3 |
|---|---|---|---|
| Cattle herd | |||
| No. animals | 6 | 54 | >200 |
| Production | Beef | Beef | Dairy |
| Previous status | TB free | TB-free | Non–TB free |
| No. reactors |
1 |
31 |
12 |
| M. tuberculosis infection in cattle | |||
| Year of isolation | 2007 | 2008 | 2009 |
| Age, mo | 9 | 4 | 3 |
| IDTB/interferon-γ | Pos/not determined | Neg/neg | Pos/not determined |
| TB-compatible lesion | No | No | No |
| Spoligotyping profile | SIT2537 | SIT1564 | SIT58 |
| MIRU-VNTR profile† | 253533233433236252211423 | 3′52334232455457251213423 | 254343243232325262213423 |
| Co-infection with
other mycobacteria |
Yes
(M. avium subsp. hominissuis)‡ |
Yes
(M. bovis) |
No |
| M. tuberculosis infection in human | |||
| Active tuberculosis | Yes | Yes | Yes |
| Spoligotyping profile | SIT2537 | Not available | SIT58 |
| MIRU-VNTR profile† | 253533233433236252211423 | 3′52334232455457251213423 | 254343243232325262213423 |
| Origin | Spain | Eastern Europe | Spain |
*TB, tuberculosis; IDTB, intradermal tuberculin tested according to the European Council Directive 64/432/EEC; pos, positive; neg, negative; MIRU-VNTR, mycobacterial interspersed repetitive unit–variable number tandem repeat.
†MIRU-VNTR profile on the basis of the 24 MIRU-VNTR loci (7).
‡Co-infection in the same animal.


