The TB test, called a line probe assay, costs less than $8 and detects mutations in bacterial DNA linked to drug resistance.

这种TB检测方法称为多列探针检测法，用不到8美元即可检出与耐药性相关的细菌DNA突变。

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On the other side of town, scientists are working on a genetic test they hope will cut the time it takes to diagnose MDR-TB from 70 days to two days.

VOA: standard.2010.07.12

Cattle can only move onto a TB restricted farm prior to the completion of a veterinary risk assessment and completion of a TB test, carried out 60 days after an infected animal has left the farm.

BBC: Bovine TB controls 'strangling farming' says NFU Cymru

Last year it said it would scale up its treatment of drug-resistant TB and eventually test all TB patients for resistance at their initial diagnosis.

WSJ: TB Fight Hits a Wall in India

However, vaccination of cattle against TB is currently prohibited by EU legislation, mainly because BCG vaccination of cattle can interfere with the tuberculin skin test, the main diagnostic test for TB.

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